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
    NewsBills
    Deduction under section 80CCD for contributions made to NPS Vatsalya
    NewsBills
    Exemption to withdrawals by Individuals from National Savings Scheme from taxation
    NewsBills
    Annual value of the self-occupied property simplified
    NewsBills
    TAX ADMINISTRATION - Obligation to furnish information in respect of crypto-asset
    NewsBills
    Increasing time limit available to pass order under section 115VP
    NewsBills
    Excluding the period such as court stay etc. for calculating time limit to pass an order
    NewsBills
    Exemption from prosecution for delayed payment of TCS in certain cases
    NewsBills
    Certain penalties to be imposed by the Assessing Officer
    NewsBills
    Removing date restrictions on framing the schemes in certain cases
    NewsBills
    Extending the processing period of application seeking immunity from penalty and prosecution
    NewsBills
    Extending the time-limit to file the updated return
    NewsBills
    Extension of exemption to Specified Undertaking of Unit Trust of India (SUUTI)
    NewsBills
    AMENDMENTS TO THE CUSTOMS ACT, 1962
    NewsBills
    AMENDMENTS TO THE CUSTOMS TARIFF ACT, 1975
    NewsBills
    AMENDMENTS TO DUTY RATES IN FIRST SCHEDULE TO THE CUSTOMS TARIFF ACT, 1975
    NewsBills
    OTHER PROPOSALS INVOLVING CHANGES IN BASIC CUSTOMS DUTY RATES IN NOTIFICATIONS
    NewsBills
    AGRICULTURE INFRASTRUCTURE AND DEVELOPMENT CESS (AIDC)
    NewsBills
    SOCIAL WELFARE SURCHARGE (SWS)
    NewsBills
    Review of Customs duty Exemptions
    NewsBills
    Changes to IGCR (Import of Goods at Concessional Rate of Duty for Manufacture of Excisable Goods) Ru...
❯❯
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
    NewsBills
    Show AI Summary
    Deduction under Section 80CCD extended to NPS Vatsalya contributions, with withdrawal taxation and partial withdrawal exemption.
    Parents or guardians may claim a statutory deduction for amounts paid into a minor's NPS Vatsalya account up to a prescribed ceiling. Amounts for which a deduction is allowed, including any accretions, will be taxed on withdrawal when deposits were made to a minor's account, whereas sums received on account closure due to the minor's death will not be treated as the parent's or guardian's income. Partial withdrawals for defined contingencies are excluded from the parent's or guardian's income to the extent they do not exceed a prescribed percentage of contributions and subject to regulatory conditions.
    NewsBills
    Show AI Summary
    Exemption for National Savings Scheme withdrawals: qualifying pre-1992 deposits and accrued interest by individuals are excluded from taxation.
    Amendment to Section 80CCA exempts withdrawals by individuals of NSS deposits and accrued interest-limited to deposits made before 1 April 1992 for which a deduction was allowed-and applies to withdrawals made on or after 29 August 2024, with retrospective effect from that date.
    NewsBills
    Show AI Summary
    Annual value of self-occupied property simplified, nil deemed where owner occupies or cannot occupy for any reason.
    The annual value of a property used as the owner's residence shall be taken as nil if the owner occupies it for residence or cannot actually occupy it for any reason; the existing restriction limiting this benefit to a specified limited number of houses remains unchanged and the amendment applies prospectively under the Finance Bill.
    NewsBills
    Show AI Summary
    Obligation to furnish crypto-asset transaction information: reporting entities must file prescribed statements and correct defects promptly.
    Proposed section 285BAA mandates that prescribed reporting entities furnish statements of crypto-asset transactions to the prescribed income-tax authority in prescribed form, manner and time, allows the authority to intimate defects and permit rectification within a prescribed period, treats unrectified defects as inaccurate information, enables issuance of notices to require late filers to submit statements, requires disclosure and correction of discovered inaccuracies, and empowers the Central Government to prescribe registration, information maintenance, and due diligence obligations for identification of crypto-asset users or owners; the virtual digital asset definition is also expanded to include crypto-assets relying on cryptographically secured distributed ledgers.
    NewsBills
    Show AI Summary
    Tonnage tax option timeframe extended - order window lengthened to quarter-end for new applications, easing verification.
    The amendment extends the decision period for applications to opt into the tonnage tax scheme: where an application is received on or after 1 April 2025 the Joint Commissioner must pass the written order approving or rejecting the option before the expiry of three months from the end of the quarter in which the application was received, providing additional time for verification, inspections, and an opportunity of being heard.
    NewsBills
    Show AI Summary
    Limitation for deeming tax-collector default: exclusion of court stay periods aligns time-limit rules with reassessment principles.
    The amendment makes the limitation period for deeming a person an assessee in default for failure to collect tax subject to exclusion of periods such as court stays by applying the exclusion and suspension principles of the general reassessment framework to that time limit; the change is to take effect from the first day of April, 2025.
    NewsBills
    Show AI Summary
    Exemption from prosecution for delayed TCS payment where remittance occurs by prescribed quarterly statement deadline.
    Amendment provides that prosecution for failure to pay tax collected at source shall not be instituted if payment has been made to the Central Government on or before the time prescribed for filing the quarterly statement under the proviso to sub section (3) of the tax collected at source provision, thereby conditioning criminal liability on meeting the quarterly statement remittance deadline.
    NewsBills
    Show AI Summary
    Penalty authority of Assessing Officer expanded; prior Joint Commissioner approval required for penalties exceeding prescribed statutory limit.
    Penalties under specified sections will be levied by the Assessing Officer instead of the Joint Commissioner, subject to the prior approval requirement where penalties exceed the statutory threshold in sub section (2) of section 274; a consequential amendment to clause (n) of sub section (1) of section 246A is proposed. Section 271BB, a penalty tied to an omitted parent provision, is proposed to be omitted. The amendments are to take effect from the first day of April following enactment.
    NewsBills
    Show AI Summary
    Faceless schemes notification: Government may issue ongoing directions allowing notifications beyond the prior cutoff to operationalise schemes.
    The amendment removes the statutory end date for notifying faceless schemes so the Central Government may issue directions to notify and operationalise faceless procedures under the direct tax statute beyond the prior cut off, following prior extensions due to implementation challenges; the change takes effect from the first day of April after enactment.
    NewsBills
    Show AI Summary
    Processing period for immunity applications extended to a longer disposal timeframe for Assessing Officers, effective from April.
    The amendment extends the Assessing Officer's processing period for applications seeking immunity from penalty and prosecution from one month to three months measured from the end of the month in which the application is received. The current filing requirement that an application for immunity from penalty be made within one month from the end of the month in which the relevant order is received remains as stated. The amendment is proposed to take effect from the first day of April, 2025.
    NewsBills
    Show AI Summary
    Updated return time-limit extended to encourage voluntary compliance, with higher additional tax rates for later filings.
    Extension of the filing window for updated returns from two years to four years with a graded schedule of higher additional income-tax rates for filings after two, three, and up to four years; filing barred where a show-cause notice has been issued after thirty-six months, subject to an exception if a later determination finds the notice unwarranted. Effective 1 April 2025.
    NewsBills
    Show AI Summary
    Tax exemption for SUUTI extended to March 31, 2027, barring income and related taxes on its receipts.
    An amendment to sub section (1) of section 13 of the UTI Repeal Act, 2002 will provide that, notwithstanding the Income tax Act or any other enactment, no income tax or any other tax shall be payable by the Administrator in relation to the Specified Undertaking of Unit Trust of India for the period beginning on the appointed day and ending on the 31st day of March, 2027; the amendment takes effect from 1st April, 2025.
    NewsBills
    Show AI Summary
    Provisional assessment time-limit set with limited extension; voluntary post-clearance revision permitted; Interim Board to exercise Settlement Commission powers.
    A definite time limit is imposed for provisional assessments under Section 18: finalisation within two years with a possible one year Commissioner extension and suspension grounds; Section 18A establishes voluntary post clearance revision treated as self assessment permitting duty payment or refund claims, with refund limitation of one year from payment and the relevant date for revised entry being the date of payment. Amendments also define an Interim Board and allocate Settlement Commission powers to it.
    NewsBills
    Show AI Summary
    Tariff rationalisation compresses rate slabs and reclassifies goods to improve identification and align with international nomenclature.
    Amendments compress and lower multiple tariff slabs into streamlined rate bands and tariffise effective rates, and introduce new tariff lines and supplementary notes to improve goods identification and align classifications with WCO HS 2022; new lines include distinctions by process and variety for rice, makhana product categories, PCB/PCT/PBB concentration levels in waste oils, separate precious metal purity bands, and entries for dual-use chemicals and technical-grade pesticides, with changes effective from a designated future date.
    NewsBills
    Show AI Summary
    Customs duty rate changes alter import tariffs across sectors, including immediate provisional increases and notified decreases.
    Amendments to the First Schedule revise import duty rates by specifying targeted tariff increases (immediately by provisional declaration for selected textile and electronics items), extensive tariff decreases across diverse commodities (with later effective dates subject to notification), and numerical rate adjustments for raw materials, ores, metals and industrial inputs, including reductions to nil for specified waste, scrap and ores; provisions are structured by tariff item and rely on finance measure clauses and a provisional collection mechanism for implementation.
    NewsBills
    Show AI Summary
    Customs duty adjustments recalibrate import and export tariffs to incentivise specific sectors and inputs, changing duty rates broadly.
    Proposed notifications adjust Basic Customs Duty and Export Duty effective 2 February 2025, reducing or nil rating duties on specified aquafarming inputs, wet blue leather, metal waste and lithium ion battery scrap, and numerous electronics inputs and parts; add exempted capital goods for lithium ion battery manufacture for EVs and mobile phones; and amend duty rates for motor vehicles, motorcycles and toy components to recalibrate import protection and incentivise manufacturing and exports.
    NewsBills
    Show AI Summary
    Agriculture Infrastructure and Development Cess revised to impose differentiated import cess rates on specified goods, altering tariff-stage duties.
    Notification No. 11/2021 - Customs is amended to revise the Agriculture Infrastructure and Development Cess (AIDC) rates on specified imported goods effective 02.02.2025, introducing differentiated cess where previously nil across categories including stone, footwear, motor vehicles (with special entries for concessional imports and used vehicles), solar cells and modules, PVC flex materials, electronics and parts, furniture, lighting, smart meters, yachts, bicycles, candles, platinum findings and certain laboratory chemicals.
    NewsBills
    Show AI Summary
    Social Welfare Surcharge exemptions expanded: specified imported goods excluded from SWS levy under amended customs notification.
    Amendment to Notification No. 11/2018 exempts specified imported goods from levy of the Social Welfare Surcharge (SWS) with effect from 02.02.2025. Exempted categories include solar cells and modules, specified motor vehicles (including used vehicles and vehicles for transport of goods or ten or more persons and certain high-CIF value cars), various footwear classifications, furniture and bedding articles, lighting fittings, parts of electronic toys, candles, PVC flex films, smart electricity meters, yachts and pleasure vessels, articles of gold/silver under specified entries, dutiable personal-use imports, passenger baggage articles, and certain laboratory chemicals.
    NewsBills
    Show AI Summary
    Customs duty exemptions review extends and modifies conditional exemptions, adds entries for drugs and satellite goods, and lapses one entry.
    Review of customs duty exemptions renews and recalibrates conditional BCD exemptions under Notification No. 50/2017 Customs: twenty four entries are extended with modifications and one entry lapses. Extensions and modifications preserve duty relief across sectors-ships and ship manufacture, bulk drugs and life saving medicines, testing imports, telecom optical fibre inputs, textile machinery, wind energy components and seeds for lab grown diamonds-while creating separate entries and refining lists for drugs, diagnostics and satellite and launch vehicle related imports.
    NewsBills
    Show AI Summary
    Import compliance timeframe extended; end use period lengthened and reporting shifted to quarterly filings under IGCR amendment.
    Amendments to the IGCR Rules extend the period to fulfil the specified end use under Rules 6 and 7 and change the compliance reporting requirement so importers submit a quarterly statement instead of a monthly statement, thereby adjusting both the end use timeframe and the frequency of filings for imports at concessional duty for manufacture of excisable goods.

    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

      Comparison of Section 66 "Interpretation" between the Income-Tax Act, 2025 (as passed) and the Income-Tax Bill, 2025 (as originally introduced)

      29 August, 2025

      Contents
      Acts
      Rules & Regulations
      Summary
      Note

      Note

      -

      Bookmark

      Print

      Print

      Section 66 Interpretation.

      Income-tax Act, 2025

      At a Glance

      Clause 66 of the Income Tax Bill, 2025 (Old Version) - interpretative definitions for sections 26-66 dealing with "Profits and gains of business or profession". It matters because these definitions determine the scope and application of multiple substantive provisions in Chapter IV-D; affected parties include taxpayers carrying on business or profession, financial institutions, exchanges, and certain classes of enterprises.

      Statutory Provision Mode

      Text & Scope

      Clause 66 of the Income Tax Bill, 2025 (Old Version) provides interpretive definitions for terms used "In sections 26 to 66" of the Bill, dealing with Profits and gains of business or profession. It contains a catalogue of defined expressions - including "agreement", "banking company", "commission or brokerage", "commodity derivative", "commodities transaction tax", "fees for technical services", "housing finance company", "Indian Institute of Technology", "Keyman insurance policy", "limited liability partnership", "long-term finance", "micro enterprise", "mineral oil", "moneys payable", "National Housing Bank", "non-scheduled bank", "paid", "permanent establishment", "plant", "predecessor entity", "primary agricultural credit society", "primary co-operative agricultural and rural development bank", "professional services", "public company", "public financial institution", "rate of exchange", "recognised commodity exchange", "rent" (for s.35(b)(i)), "royalty", "rural branch", "scientific research", "securities transaction tax", "service" (for s.26(2)(h)), "small enterprise", "speculative transaction", "Specified Banking or Online Mode", "specified derivative transaction", "State Government undertaking", "State Industrial Investment Corporation", "State Financial Corporation", "successor entity", "taxable commodities transaction", "taxable securities transaction", "University" and "work" (for s.35(b)(i)).

      Interpretation

      The text primarily assigns meanings by cross-reference to other statutes (e.g., Banking Regulation Act, Companies Act, Finance Acts) or by descriptive definition. Legislative intent, as discernible from the text, is to standardise terminology used across the chapters and to reduce ambiguity by aligning tax definitions with sectoral statutes and financial legislation. The Bill uses inclusive definitions (e.g., "includes any arrangement... whether or not ... formal or in writing") to capture informal commercial arrangements within tax net. The "specified derivative transaction" and "speculative transaction" definitions use functional tests (electronic trading, contract settlement mechanics) to delineate tax treatment boundaries.

      Exceptions/Provisos

      Where the Bill carves out exceptions, it does so within particular definitions. For example, "speculative transaction" excludes (a) specified derivative transactions; (b) certain hedging contracts in the course of manufacturing/merchandising; (c) contracts by dealers/investors in stocks/shares for hedging; and (d) forward-market or stock-exchange member transactions in jobbing/arbitrage. These subclauses act as express carve-outs to prevent ordinary commercial hedging or certain exchange activities from being treated as speculative for tax purposes. No general provisos outside definition-specific qualifiers are present. Other conditional definitions (e.g., "long-term finance" requiring repayment terms of not less than five years) set clear thresholds.

      Illustrations

      • Example 1: A loan with a repayment schedule of six years qualifies as "long-term finance" for s.32(e) under the Bill, because repayment with interest occurs over a period not less than five years. Not stated in the document whether interest-only or bullet repayments have any effect.

      • Example 2: A contract for forward purchase of raw materials by a manufacturer to hedge price risk is carved out from "speculative transaction" and therefore will not be treated as speculative under the Bill. Not stated in the document how documentation must be maintained to evidence the hedging purpose.

      • Example 3: Trading in derivatives carried out electronically on a recognised commodity exchange and supported by a time-stamped contract note with UCI and PAN would meet the clause's requirement for a "specified derivative transaction". Not stated in the document whether off-exchange bilateral derivatives cleared through a recognised clearing corporation are covered.

      Interplay

      The Bill explicitly cross-references multiple fora of subordinate and other primary legislation - e.g., the Banking Regulation Act, Companies Act, Finance Act(s), the Micro, Small and Medium Enterprises Development Act, Forward Contracts (Regulation) Act, SEBI Act and the Depositories Act. This signals intended interoperability: tax definitions are to be interpreted in light of sectoral legislation. The Bill relies on prescribed conditions and notifications (e.g., "recognised commodity exchange" to be notified and to fulfil conditions "as prescribed"). Interaction with rules and notifications is anticipated but the Bill often leaves specifics to delegated law (prescription/notification).

      Differences between Section 66 of the Income-tax Act, 2025 and Clause 66 of the Income Tax Bill, 2025 (Old Version)

      • Scope language: Section 66 applies "For the purposes of Part D of this Chapter" (i.e., Chapter IV-D), whereas Clause 66 (Old Version) states "In sections 26 to 66," - a broader textual hook in the Bill version. 
        • Practical impact: potential difference in statutory application scope - the Act text narrows the interpretive provisions to Part D explicitly; the Bill text suggests definitions apply across sections 26-66. This narrows or widens reach depending on the cross-references in the surrounding code.
      • Terminology difference - "commodity derivative" vs "commodities transaction": The Bill (Old) at clause (4) defines "commodity derivative" (as in Finance Act) while the Act (Section 66) replaces that item with a clause (4) defining "commodities transaction tax" and retains a later clause for "specified derivative transaction" with a different structure.
        • Practical impact: change in focus from defining the derivative instrument to defining the tax/transaction type; may affect which term governs specific tax computations and interpretive cross-references.
      • National Housing Bank: Clause 66 (Old) contains a specific definition of "National Housing Bank" at clause (15). Section 66 (Act) omits that definition and instead includes "banking company" definition at (2) and "State Financial Corporation" related items; it includes "Keyman insurance policy" and other items.
        • Practical impact: removal of express "National Housing Bank" definition in the enacted provision could affect application of provisions where that entity was singled out in the Bill; reliance would shift to general definitions or other provisions.
      • Micro/small enterprise cross-references: Clause 66 (Old) defines "micro enterprise" as assigned in section 2(h) of the MSME Act and "small enterprise" as in section 2(m). Section 66 (Act) instead states both "micro enterprise" and "small enterprise" shall be "classified as such under the notification in this behalf by the Central Government under the Micro, Small and Medium Enterprises Development Act, 2006."
        • Practical impact: Act moves from direct cross-reference to specific statutory subsections to a reference to notification-based classification; this grants greater administrative flexibility and ties the definition to executive notifications rather than to fixed statutory clause numbers.
      • Terminology and numbering changes for derivative/speculative definitions: The Bill's "specified derivative transaction" definition (clause (37)) is structured as three conjunctive requirements (electronic on recognised exchanges; carried out by bank/mutual fund/other through intermediary; supported by time-stamped contract note). The Act's corresponding clause (33) sets out a different two-part formulation and explicitly includes trading in commodity derivatives chargeable to commodities transaction tax or trading in agricultural commodity derivatives subject to specified conditions, and provides alternative carrying-out methods (through stock broker/intermediary or by banks or mutual funds electronically).
        • Practical impact: Act broadens or alters the qualifying modes of specified derivatives and the entities that may carry them out; this may affect the classification of transactions for taxability and compliance (contract-note requirements remain but text differs).
      • Inclusion/omission of successor/predecessor/succession of sole proprietorship: Clause 66 (Old) at predecessor entity includes an extra clause (e) for "sole proprietary concern" succession (70(1)(zf)); Section 66 (Act) predecessor entity omits that (no clause (e) under predecessor) but successor entity in Section 66 includes conversion to LLP etc.
        • Practical impact: divergence as to whether succession of sole proprietorship by a company is captured in predecessor/successor definitions; could affect tax continuity provisions on succession and carry-overs.
      • "Recognised commodity exchange" appears in the Bill (Old) (clause (27)) but is absent from the enacted Section 66.
        • Practical impact: removal may require reliance on other definitions or create ambiguity where the Bill relied on this term; stakeholders in commodity derivatives may need to seek alternative statutory anchors.
      • Placement and wording of "service" for section 26(2)(h): Both texts define "service" with an illustrative list. The list is substantially the same but the Act positions this at clause (29) and the Bill at (33).
        • Practical impact: principally drafting/numbering; substantively similar.
      • Minor reordering and rewording: Many items are present in both texts but with changed numbering, slightly different cross-references (e.g., references to Finance (No. 2) Act numbering), and occasional substitutions (e.g., "commodity derivative" v. "commodities transaction tax").
        • Practical impact: requires careful cross-referencing in tax opinions and compliance documents; numbering changes may affect citations in subordinate rules, circulars, and litigation if not harmonised.

      Practical Implications

      • Compliance and risk areas: Taxpayers engaging in derivative trading or commodity transactions must ensure trading occurs through prescribed channels (recognised exchanges/intermediaries) and maintain time-stamped contract notes with UCI and PAN details to satisfy the "specified derivative transaction" criteria. Failure to satisfy documentary or platform conditions risks reclassification as speculative or non-specified, altering tax treatment.
      • Record-keeping/evidence: The Bill emphasises documentary support (time-stamped contract notes, unique client identity numbers, PAN), and in carve-outs (e.g., hedging for manufacturers) suggests that contemporaneous evidence of commercial purpose will be material. Not stated in the document are retention periods or formats for such records; those will be governed by other provisions or rules.

      Key Takeaways

      • The Bill centralises and aligns tax definitions with sectoral statutes and marketplace practices, using cross-references to existing Acts and requiring prescribed/platform-based conditions for derivative classification.
      • Definitions include inclusive language to capture informal arrangements (e.g., "agreement" includes arrangements not in writing or legally enforceable), broadening tax net for certain anti-avoidance contexts.
      • Specified thresholds and documentary requirements (e.g., repayment period of five years, time-stamped contract notes with UCI and PAN) create clear compliance triggers; absence of these may change tax characterisation.
      • Several terms are left to notification/prescription (e.g., "recognised commodity exchange", "Specified Banking or Online Mode"), indicating reliance on delegated legislation for operational clarity.
      • Carve-outs for legitimate commercial hedging and exchange-related activities reduce the risk of routine business transactions being taxed as speculative, but evidentiary burden is implied.

      Full Text:

      Section 66 Interpretation.

      Topics

      ActsIncome Tax