Just a moment...

Top
Help
×

By creating an account you can:

Logo TaxTMI
Call Us / Help / Feedback

Contact Us At :

E-mail: [email protected]

Call / WhatsApp at: +91 99117 96707

For more information, Check Contact Us

FAQs :

To know Frequently Asked Questions, Check FAQs

Most Asked Video Tutorials :

For more tutorials, Check Video Tutorials

Submit Feedback/Suggestion :

Email :
Please provide your email address so we can follow up on your feedback.
Category :
Description :
Min 15 characters0/2000
Make Most of Text Search
  1. Checkout this video tutorial: How to search effectively on TaxTMI.
  2. Put words in double quotes for exact word search, eg: "income tax"
  3. Avoid noise words such as : 'and, of, the, a'
  4. Sort by Relevance to get the most relevant document.
  5. Press Enter to add multiple terms/multiple phrases, and then click on Search to Search.
  6. Text Search
  7. The system will try to fetch results that contains ALL your words.
  8. Once you add keywords, you'll see a new 'Search In' filter that makes your results even more precise.
  9. Text Search
Add to...
You have not created any category. Kindly create one to bookmark this item!
Create New Category
Hide
Title :
Description :
❮❮ Hide
Default View
Expand ❯❯
Close ✕
🔎 TMI Notes - Adv. Search
TEXT SEARCH:

Press 'Enter' to add multiple search terms. Rules for Better Search

Search In:
Main Text + AI Text
  • Main Text
  • Main Text + AI Text
  • AI Text
Law:
---- All Laws----
  • ---- All Laws----
  • Benami Property
  • Bill
  • Central Excise
  • Companies Law
  • Customs
  • DGFT
  • FEMA
  • GST
  • GST - States
  • IBC
  • Income Tax
  • Indian Laws
  • Money Laundering
  • SEBI
  • SEZ
  • Service Tax
  • VAT / Sales Tax
Types:
---- All Types ----
  • ---- All Types ----
  • Act Rules
  • Case Laws
  • Circulars
  • Manuals
  • News
  • Notifications
Sort By: ?
In Sort By 'Default', exact matches for text search are shown at the top, followed by the remaining results in their regular order.
RelevanceDefaultDate
    NewsBill
    Amendment in the definition of the specified fund
    NewsBill
    Amendment in the provision relating to merger of non-profit organisations (NPOs)
    NewsBill
    Amendment in the provisions relating to the violations by a registered NPO
    NewsBill
    Amendment of section 332(1)(f) of the Income-tax Act, 2025 to remove certain funds from the requirem...
    NewsBill
    Amendment in section 349 of the Income-tax Act, 2025 to provide for filing of belated return by NPO
    NewsBill
    Non-allowability of Interest as a deduction against Dividend Income
    NewsBill
    Rationalisation of Schedule XI relating to Provident Funds
    NewsBill
    Exemption for Sovereign Gold Bond
    NewsBill
    Increase in tax rates of Securities Transaction Tax
    NewsBill
    Taxation of buyback of shares
    NewsBill
    No tax to de deducted at source in respect of interest income credited or paid to any co-operative s...
    NewsBill
    AMENDMENT TO THE CUSTOMS ACT, 1962
    NewsBill
    AMENDMENTS TO THE CUSTOMS TARIFF ACT, 1975
    NewsBill
    AMENDMENT TO RULES UNDER CUSTOMS ACT, 1962
    NewsBill
    OTHER PROPOSALS INVOLVING CHANGES IN BASIC CUSTOMS DUTY RATES IN NOTIFICATIONS
    NewsBill
    OTHER CHANGES PROPOSED IN THE CUSTOM NOTIFICATIONS
    NewsBill
    REVIEW OF CUSTOMS DUTY EXEMPTIONS
    NewsBill
    Review of exemptions prescribed by other notifications.
    NewsBill
    SOCIAL WELFARE SURCHARGE (SWS)
    NewsBill
    AGRICULTURE INFRASTRUCTURE AND DEVELOPMENT CESS (AIDC)
❯❯
MaximizeMaximizeMaximize
0 / 200
Expand Note
Add to Folder

No Folders have been created

    +

    Are you sure you want to delete "My most important" ?

    NOTE:

    Notes
    Showing Results for :
    Reset Filters
    Results Found:
    Show All SummariesHide All Summaries
    NewsBill
    Show AI Summary
    Specified fund definition aligned with income tax provision, effective April 1, 2026 for tax year 2026 27 onward.
    Amendment aligns the definition of specified fund in Note 1(g) to Schedule VI with the income tax provision definition, so that existing Sl. Nos. 1-4 of Schedule VI apply to any entity that meets the aligned specified fund definition; the amendment takes effect from 1 April 2026 and applies to the tax year 2026-27 and thereafter.
    NewsBill
    Show AI Summary
    Merger of non-profit organisations exempt from accreted-income tax if same or similar objects and prescribed conditions are met.
    A new provision exempts registered non-profit organisations from accreted-income tax on merger when the transferee and transferor are registered non-profit organisations with the same or similar objects and the merger meets prescribed conditions; the merger-liability rule is amended to make tax payable where the merging entity is non-registered, where a registered non-profit's merger fails to satisfy prescribed conditions despite similar objects, or where objects are not the same or similar.
    NewsBill
    Show AI Summary
    Registered non-profit organisations: commercial activity for public utility no longer treated as a specified violation risking registration cancellation.
    The amendment removes commercial activities by registered non-profit organisations carried out for advancement of General Public Utility from the category of specified violation in section 351, preventing such activity from triggering registration cancellation, and aligns the treatment with other violation provisions; effective 1 April 2026 for tax year 2026-27 and thereafter.
    NewsBill
    Show AI Summary
    Registration requirement removed for certain Schedule VII funds to align exemption rules under the Income-tax regime.
    Amendment excludes persons listed in Schedule VII (Table Sl. No. 10-16) from section 332(1)(f) of the Income-tax Act, 2025, removing their obligation to register under section 332 to claim income-tax exemption and aligning registration requirements with the Income-tax Act, 1961; effective 1 April 2026 for tax year 2026-27 onwards.
    NewsBill
    Show AI Summary
    Belated filing by registered non-profit organisations is permitted under amended section 349 referencing belated-filing provision.
    The amendment enables registered non-profit organisations to file belated income-tax returns by adding a cross-reference to the belated-filing provision within the statutory rule governing return filing by such organisations, restoring the belated-filing ability previously available and applying from 1 April 2026 to the 2026-27 tax year and thereafter.
    NewsBill
    Show AI Summary
    Dividend income: interest deductions disallowed for earning dividend or mutual fund unit income from April 1, 2026.
    The Finance Bill amends the law to disallow any deduction for interest expenditure incurred in earning dividend income or income from units of mutual funds, removing the earlier deduction that had been permitted up to a twenty per cent ceiling of gross dividend or mutual fund income; the change applies prospectively from the Bill's implementation date and affects income taxed under Income from other sources.
    NewsBill
    Show AI Summary
    Provident fund tax rules are realigned to the EPF framework, removing legacy contribution limits and investment cap.
    Align recognised provident fund tax provisions with the EPF framework by omitting parity and percentage-based restrictions that duplicate the Rs.7.5 lakh unified employer contribution cap, restrict recognition to funds exempt under section 17 of the EPF Act, remove the fifty per cent statutory limit on Government securities investment, and retain regulatory oversight via subordinate EPF instruments; effective 1 April 2026 for tax year 2026-27 onward.
    NewsBill
    Show AI Summary
    Sovereign Gold Bond exemption limited to original subscribers who hold until maturity, effective for tax year 2026-27 onward.
    The capital gains exemption for Sovereign Gold Bonds is confined to bonds subscribed at original issue and held continuously until redemption on maturity, to ensure uniform application across all Reserve Bank of India issuances.
    NewsBill
    Show AI Summary
    Securities Transaction Tax rates for options and futures increased; revised rates apply to transactions on or after April 1, 2026.
    A calibrated revision raises STT on derivatives: sale of an option in securities from 0.1% to 0.15% of the premium; sale of an exercised option from 0.125% to 0.15% of the intrinsic price; and sale of a future in securities from 0.02% to 0.05% of the traded price. The changes aim to curb disproportionate speculation in futures and options trading, take effect from 1 April 2026, and apply to transactions in options and futures entered into on or after that date.
    NewsBill
    Show AI Summary
    Taxation of share buybacks reclassified as capital gains; higher tax rates apply to promoters and promoter companies.
    Consideration received on buy-back of shares is recharacterised from dividend income to taxable capital gains, with cost of acquisition of extinguished shares remaining separately recognised. Promoters will face an effective tax liability of thirty per cent on buy-back gains (tax at applicable rates plus an additional tax) and promoter companies will face an effective tax liability of twenty-two per cent. These amendments apply from the first day of the relevant financial year and to the tax year 2026-27 and subsequent years.
    NewsBill
    Show AI Summary
    Interest paid to co operative societies carrying on banking exempt from TDS under Finance Bill amendment effective April 1, 2026.
    The Act is amended to align with the Income tax Act, 1961 by providing that deduction of tax at source shall not be made on interest income (other than interest on securities) credited or paid to any co operative society engaged in carrying on the business of banking, including a co operative land mortgage bank; the amendment takes effect from 1 April 2026.
    NewsBill
    Show AI Summary
    Indian-flagged fishing vessels beyond territorial waters get specific customs rules, including duty-free landing and entry procedures.
    Amendments extend Customs Act jurisdiction for fishing activities beyond territorial waters, define Indian-flagged fishing vessel, and insert section 56A to permit duty free importation of fish harvested beyond territorial waters and to treat fish landed at foreign ports as exports while authorising rules on entry, declaration, custody, examination, assessment, clearance, transit and transhipment. Other amendments deem certain penalties a charge for non payment of duty, fix advance rulings' validity at five years with transitional extensions, allow removal of warehoused goods between warehouses without prior officer permission, and enable regulations for custody of imported or export bound goods.
    NewsBill
    Show AI Summary
    Customs tariff amendments adjust basic customs duty rates, create new tariff lines, and reclassify import items effective Feb-May 2026.
    The First Schedule to the Customs Tariff Act, 1975 is amended to change Basic Customs Duty rates and to create new tariff items: immediate BCD increases effective 02.02.2026 (via provisional declaration), targeted BCD decreases effective 01.04.2026, and a comprehensive reclassification and rate migration from exemption notifications into the Tariff Act effective 01.05.2026, preserving applied duty levels while enabling better product identification and monitoring.
    NewsBill
    Show AI Summary
    Baggage rules updated; deferred import duty payments shifted to monthly for eligible importers, creating a new eligibility class.
    The baggage regime is replaced by Baggage Rules, 2026 to clarify temporary carriage of goods, avoid unnecessary detention, and restructure Transfer of Residence benefits by duration of stay, effective 02.02.2026; deferred import duty payment frequency is changed from 15 days to monthly and a new class of eligible importers is created by amending the Deferred Payment of Import Duty Rules, 2016.
    NewsBill
    Show AI Summary
    Basic Customs Duty changes: several commodities moved to nil duty while potassium hydroxide sees a 7.5% levy increase.
    Amendments to Basic Customs Duty effective 2 February 2026 alter duty incidence for specified imports: monazite, sodium antimonate for solar glass, nuclear power generation goods and control/burnable absorber rods, and specified microwave-oven manufacture components are moved to nil duty, while potassium hydroxide is newly subject to a 7.5% basic customs duty; consult the notification for full descriptions.
    NewsBill
    Show AI Summary
    Customs BCD exemptions extended to BESS, aircraft parts, nuclear projects, specified drugs and select critical minerals.
    BCD exemptions are expanded to cover capital goods for Battery Energy Storage Systems and to extend relief for aircraft raw materials and components (including engines) for manufacture or maintenance when imported by defence Public Sector Units, subject to the IGCRS Rules, 2022 and an end use certificate from a Joint Secretary level officer. Exemptions for goods for specified Nuclear Power Projects are broadened irrespective of capacity and extended through 30.09.2035. Lists in the customs notification are updated to add medicines and rare diseases for personal import exemptions, and select critical mineral entries are being consolidated into the tariff with the prior notification to be rescinded.
    NewsBill
    Show AI Summary
    Customs duty exemptions: 102 conditional entries extended, 22 allowed to lapse, and select unconditional exemptions omitted.
    A review of notification No. 45/2025 Customs extends validity of 102 conditional exemption/concessional BCD entries to 31.03.2028, allows 22 conditional entries to lapse on 31.03.2026, and omits specified unconditional exemptions effective 02.02.2026 so applicable BCD rates will apply from the First Schedule. The review also removes or prescribes sunset clauses, modifies certain entries (including mergers, description changes, and extended time limits), and incorporates some rates into the Tariff.
    NewsBill
    Show AI Summary
    Budget changes extend BCD exemptions for listed goods to March 31, 2028 and omit redundant notification entries.
    Extension of certain BCD exemptions to 31.03.2028 is prescribed for specified notifications covering precious stones on approval/return basis, goods imported for execution of export orders for jobbing, copper products from reverts, and gold/silver from copper anode slime exported for toll smelting. One standalone exemption for castor oil cake manufactured in SEZs and brought to DTA lapses on 31.03.2026, and a notification exempting works of art and antiques for public exhibition is given a sunset date of 31.03.2028. Selected exemption entries in notification No. 36/2024-Customs are omitted effective 02.02.2026 as redundant, with BCD rates to operate via the First Schedule of the Customs Tariff Act, 1975.
    NewsBill
    Show AI Summary
    Social Welfare Surcharge changes extend specific customs exemptions, add SWS on personal-use imports, and exempt electronic toys.
    Amendments to notification No. 11/2018-Customs consolidate and preserve SWS exemptions for specified graphite, quartz, silicon dioxide and related items; reassign concessional BCD for sub heading 2106 90 to the First Schedule while retaining SWS incidence; modify the spent catalyst/ash exemption description to remove a lapsed cross reference without altering exemption; impose SWS on all dutiable personal use imports under heading 9804; and exempt parts and goods under heading 9503 (electronic toys) from SWS.
    NewsBill
    Show AI Summary
    New aircraft rubber pneumatic tyres continue to attract 0.5% agriculture infrastructure and development cess from 02.02.2026.
    New pneumatic tyres of rubber used on aircraft under tariff item 4011 30 00 will continue to attract a 0.5% Agriculture Infrastructure and Development Cess. The notification entry is amended to omit reference to a removed exemption entry with effect from 02.02.2026, without changing the 0.5% AIDC rate for these goods (other than those with nil basic customs duty).

    TMI Notes

    Back

    All TMI Notes

    Showing Results for :
    Reset Filters
      No Records Found

      TMI Notes

      Back

      All TMI Notes

      whatsappJoin Channel
      Showing Results for : Reset Filters

      Direct assessment or recovery from Representative assessees : Clause 304(3) of the Income Tax Bill, 2025 Vs. Section 166 of the Income-tax Act, 1961

      18 June, 2025

      Contents
      Acts
      Rules & Regulations
      Summary
      Note

      Note

      -

      Bookmark

      Print

      Print

      Clause 304 Liability of representative assessee.

      Income Tax Bill, 2025

      Introduction

      The concept of representative assessee is a cornerstone in Indian income tax law, ensuring that income accruing to or received for the benefit of another person is brought under the tax net. This arrangement is particularly significant in cases involving trusts, minors, non-residents, or incapacitated individuals, where the person entitled to income may not directly participate in the assessment or compliance process. The legislative framework for this mechanism has evolved over time, with the Income-tax Act, 1961 laying down the foundational provisions and the proposed Income Tax Bill, 2025 seeking to modernize and clarify these principles.

      Clause 304(3) of the Income Tax Bill, 2025 and Section 166 of the Income-tax Act, 1961 both address the ability of tax authorities to assess or recover tax directly from the person ultimately entitled to the income, notwithstanding the existence of a representative assessee. These provisions ensure that tax administration is not hampered by procedural technicalities and that the government's right to collect revenue is preserved. This commentary provides a detailed analysis of Clause 304(3), examines its legislative intent and operational mechanics, and compares it with Section 166 of the Income-tax Act, 1961, highlighting similarities, differences, and implications for stakeholders.

      Objective and Purpose

      The legislative intent behind provisions such as Clause 304(3) and Section 166 is to prevent tax evasion or delay in collection by ensuring that the liability to tax is not confined solely to the representative assessee. Instead, these provisions empower the Assessing Officer (AO) to bypass the representative and proceed directly against the ultimate beneficiary or person on whose behalf the income is received. This flexibility is crucial in cases where the representative assessee is unable, unwilling, or unavailable to discharge the tax liability.

      Historically, the representative assessee framework was introduced to address practical challenges in taxation, such as the management of income by trustees, guardians, or agents for non-residents. However, the primary objective remains the same: to secure the tax base and facilitate smooth administration by providing multiple avenues for assessment and recovery. The inclusion of a direct assessment provision ensures that the substantive liability for tax remains with the person entitled to the income, while procedural mechanisms do not become a shield for non-compliance.

      Detailed Analysis

      Clause 304(3) of the Income Tax Bill, 2025

      Text: "Irrespective of the provisions of this Chapter, the Assessing Officer may directly assess the person on whose behalf or for whose benefit income therein referred to is receivable, or may recover from such person the tax payable in respect of such income."

      Clause 304(3) is a non-obstante provision, meaning it operates notwithstanding anything contained in the chapter relating to representative assessees. It grants the AO two distinct powers:

      • To directly assess the person on whose behalf or for whose benefit the income is receivable;
      • To recover from such person the tax payable in respect of such income.

      The use of the phrase "Irrespective of the provisions of this Chapter" is critical. It clarifies that the AO's power to proceed directly is not fettered by the existence of a representative assessee or any procedural requirements that might otherwise apply to representative assessments. The provision, thus, provides a parallel route for assessment and recovery, ensuring that the substantive tax liability attaches to the ultimate beneficiary.

      The language "may directly assess" and "may recover" indicates that these are discretionary powers, to be exercised by the AO based on the facts and circumstances of each case. There is no mandatory requirement for the AO to always proceed against the beneficiary; rather, it is an enabling provision.

      The provision is broad in its scope, covering both assessment (the process of determining tax liability) and recovery (the process of collecting tax). This dual approach is significant because, in practice, there may be situations where assessment has already been completed in the hands of the representative assessee, but recovery from the beneficiary is necessary due to non-payment.

      Section 166 of the Income-tax Act, 1961

      Text: "Nothing in the foregoing sections in this Chapter shall prevent either the direct assessment of the person on whose behalf or for whose benefit income therein referred to is receivable, or the recovery from such person of the tax payable in respect of such income."

      Section 166 is functionally similar to Clause 304(3) in its operative effect. It is also a non-obstante provision, overriding the preceding sections in the chapter on representative assessees. The section empowers the AO to:

      • Directly assess the person on whose behalf or for whose benefit income is receivable;
      • Recover tax from such person in respect of such income.

      The section's language is almost identical to that of Clause 304(3), with minor stylistic differences. The phrase "Nothing in the foregoing sections in this Chapter shall prevent..." serves the same function as "Irrespective of the provisions of this Chapter," making it clear that the AO's power to proceed directly is not curtailed by the existence of a representative assessee or procedural requirements under other sections.

      Section 166 has been interpreted by courts as an enabling provision, designed to prevent technical defenses based on the procedural structure of representative assessment. It does not create a substantive liability but merely provides an alternative route for assessment and recovery.

      Comparative Clause-by-Clause Analysis

      1. Scope and Applicability

      Both Clause 304(3) and Section 166 apply in situations where income is receivable on behalf of or for the benefit of another person, and a representative assessee mechanism is in place. The provisions are not limited to a particular type of representative assessee (e.g., trustee, guardian, agent) but apply broadly across all categories recognized under the Act.

      The non-obstante language in both provisions ensures that the AO's power is not circumscribed by the procedural requirements applicable to representative assessees. This is significant in preventing tax evasion or delay due to the unavailability or non-cooperation of the representative.

      2. Assessment and Recovery Powers

      Both provisions confer dual powers:

      • Assessment: The AO can directly assess the person entitled to the income, bypassing the representative assessee.
      • Recovery: The AO can recover tax directly from the beneficiary, even if assessment proceedings have been conducted in the hands of the representative.

      This dual mechanism ensures that the ultimate liability for tax remains with the person entitled to the income, and the government's right to collect tax is not hindered by procedural technicalities.

      3. Discretionary Nature

      Neither Clause 304(3) nor Section 166 imposes a mandatory obligation on the AO to proceed directly against the beneficiary. The use of permissive language ("may directly assess" / "may recover") indicates that the AO has discretion to choose the most effective route for assessment and recovery, based on the circumstances of each case.

      This discretion is particularly valuable in complex cases involving multiple beneficiaries, non-residents, or situations where the representative assessee is unable to fulfill their obligations.

      4. Procedural Safeguards and Limitations

      While both provisions empower the AO, they do not abrogate the rights of the person ultimately assessed. The beneficiary, when directly assessed, is entitled to all procedural safeguards available under the Act, including the right to be heard, to file appeals, and to challenge the assessment on merits.

      Similarly, the provisions do not create a double assessment scenario; rather, they provide alternative routes. The AO may choose to assess either the representative or the beneficiary, but not both for the same income. This is reinforced by Clause 304(2), which prohibits double assessment in respect of the same income.

      5. Legislative Evolution and Rationale

      The continuity in language and intent between Section 166 and Clause 304(3) reflects the legislature's consistent approach to the issue of representative assessment. The provisions are designed to balance administrative convenience with the need to protect the revenue's interests.

      The rationale is to ensure that the tax base is not eroded due to procedural delays or non-cooperation by representatives, while also safeguarding the rights of the person ultimately entitled to the income. The provisions also reflect the principle that the substantive liability for tax attaches to the person who is the real owner or beneficiary of the income, and not merely to the person who receives or manages the income on their behalf.

      Practical Implications

      For Taxpayers (Beneficiaries)

      Beneficiaries or persons on whose behalf income is receivable must recognize that the existence of a representative assessee does not absolve them from tax liability. The AO can proceed directly against them for assessment and recovery. This underscores the importance of maintaining proper records and ensuring compliance, even if the income is managed by a trustee, guardian, or agent.

      Beneficiaries should also be aware of their rights in the event of direct assessment, including the right to challenge the assessment, seek rectification, or appeal against any adverse order.

      For Representative Assessees

      While representative assessees are primarily responsible for compliance, Clause 304(3) and Section 166 provide a fallback for the AO in case the representative is unable or unwilling to discharge their duties. Representatives should, therefore, ensure timely compliance to avoid direct proceedings against the beneficiary, which may have reputational or legal consequences.

      For Tax Authorities

      The provisions equip tax authorities with flexibility and multiple avenues for assessment and recovery, reducing the risk of revenue loss. The discretion to choose between representative and direct assessment allows for a pragmatic approach, tailored to the facts of each case.

      However, tax authorities must exercise this discretion judiciously, ensuring that procedural fairness is maintained and that there is no duplication of assessment or recovery.

      For Legal Advisors and Tax Professionals

      Legal advisors must counsel clients on the implications of these provisions, particularly in structuring trusts, managing estates, or dealing with cross-border income. Proper documentation and compliance mechanisms are essential to mitigate the risk of direct assessment or recovery proceedings.

      Ambiguities and Potential Issues

      While the provisions are broadly worded to confer maximum flexibility, certain ambiguities may arise in practice:

      • Trigger for Direct Assessment: The provisions do not specify the circumstances under which the AO should prefer direct assessment over assessment of the representative. This may lead to inconsistent practices or disputes over the exercise of discretion.
      • Procedural Safeguards: While the beneficiary is entitled to procedural safeguards, the transition from representative to direct assessment may create confusion regarding notices, time limits, and appeal rights.
      • Double Assessment Risk: Although Clause 304(2) seeks to prevent double assessment, practical challenges may arise in complex cases involving multiple representatives or beneficiaries.

      Conclusion

      Clause 304(3) of the Income Tax Bill, 2025 and Section 166 of the Income-tax Act, 1961 are critical provisions that reinforce the substantive liability of the person entitled to income, regardless of procedural arrangements involving representative assessees. By empowering the AO to proceed directly against the beneficiary for assessment and recovery, these provisions safeguard the revenue's interests and prevent procedural obstacles from undermining tax collection.

      The near-identical language of the two provisions reflects a continuity of legislative intent and underscores the enduring relevance of the representative assessee framework. While the provisions confer broad discretion on tax authorities, care must be taken to ensure that procedural fairness is maintained and that the rights of taxpayers are protected.

      As the tax landscape evolves and the use of trusts, cross-border arrangements, and complex financial structures becomes more prevalent, the importance of clear, flexible, and robust mechanisms for assessment and recovery will only increase. Consideration may be given to issuing detailed guidelines or rules to clarify the exercise of discretion under these provisions, thereby enhancing transparency and predictability for all stakeholders.


      Full Text:

      Clause 304 Liability of representative assessee.

      Topics

      ActsIncome Tax