Loading...

⚠ ✕
❮ 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 characters 0/2000
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

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.
Relevance Default Date
    News Bills
    Amendment in provisions relating to set off and withholding of refunds (SIMPLIFICATION AND RATIONALI...
    News Bills
    Rationalisation of the time-limit for filing appeals to the Income Tax Appellate Tribunal (SIMPLIFIC...
    News Bills
    Merger of trusts under first regime with second regime ((Rationalisation of the provisions of Charit...
    News Bills
    Condonation of delay in filing application for registration by trusts or institutions (Rationalisati...
    News Bills
    Rationalisation of timelines for funds or institutions to file applications seeking approval under s...
    News Bills
    Rationalisation of timelines for disposing applications made by trusts or funds or institutions, see...
    News Bills
    Merger of trusts under the exemption regime with other trusts (Rationalisation of the provisions of ...
    News Bills
    Inclusion of reference of clause (23EA), clause (23ED) and clause (46B) of section 10 in sub-section...
    News Bills
    Rationalisation and Simplification of taxation of Capital Gains
    News Bills
    Amendment to definition of Specified Mutual Fund under section 50AA (Rationalisation and Simplificat...
    News Bills
    Rationalisation of Tax Deducted at Source rates (Rationalisation and Simplification of taxation of C...
    News Bills
    Section 194D - Payment of insurance commission (Rationalisation and Simplification of taxation of Ca...
    News Bills
    ​​​​​​​Section 194DA - Payment in respect of life insuranc...
    News Bills
    Section 194G – Commission, etc on sale of lottery tickets (Rationalisation and Simplification of t...
    News Bills
    Section 194H - Payment of commission or brokerage (Rationalisation and Simplification of taxation of...
    News Bills
    Section 194-IB - Payment of rent by certain individuals or HUF (Rationalisation and Simplification o...
    News Bills
    Section 194M - Payment of certain sums by certain individuals or Hindu undivided family (Rationalisa...
    News Bills
    Section 194-O - Payment of certain sums by e-commerce operator to e-commerce participant (Rationalis...
    News Bills
    Section 194F - TDS on payments on repurchase of units by mutual fund or UTI (Rationalisation and Sim...
    News Bills
    Ease in claiming credit for TCS collected/TDS deducted by salaried employees
❮
❯
❯❯
Maximize Maximize Maximize
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 Summaries Hide All Summaries
News Bills
Show AI Summary
Withholding of refunds: extension of permissible withholding period and continued set-off against outstanding tax demands under new provisions.
Assessing Officers may adjust refunds against outstanding tax demands and withhold refunds during pending assessment or reassessment subject to prior approval and reasons recorded in writing. The permissible withholding period is extended beyond the assessment date, and additional interest under the refund interest provision is not payable for the duration the refund is lawfully withheld.
News Bills
Show AI Summary
Time-limit for appeals to ITAT changed to a two-month period measured from month-end after electronic communication of orders.
The proposal adds penalty orders on undisclosed income arising from search assessments to the list of orders appealable to the Income Tax Appellate Tribunal, correcting an omission; and it changes limitation computation so appeals may be filed within two months from the end of the month in which the order is communicated to the assessee or to the Principal Commissioner/Commissioner to accommodate electronic faceless appeal communications.
News Bills
Show AI Summary
Charitable trust regime consolidation: transition to unified registration framework with phased sunsetting and protected investment modes retained.
The proposal phases out the approval route under sub clauses (iv), (v), (vi) and (via) of clause (23C) of section 10 by preventing consideration of applications filed on or after 1 October 2024, while allowing pending applications and existing approvals to continue under the first regime; approved entities may later apply for registration under the sections 11-13 framework, with amendments preserving certain eligible investment modes and enabling the transition.
News Bills
Show AI Summary
Condonation of delay in registration applications allows authorities to treat late charitable registration filings as timely if reasonable cause exists.
The amendment authorises the Principal Commissioner or Commissioner to condone delay in filing registration applications by trusts and institutions and to treat such applications as filed within time if satisfied there is a reasonable cause for the delay. This power is intended to avert tax liability on accreted income or permanent exit from the exemption regime and takes effect from 1 October 2024.
News Bills
Show AI Summary
Section 80G approval timelines rationalised to prevent unintended loss of charitable approval and streamline application processing.
Amendments rationalise filing timelines and the processing procedure for funds and institutions seeking approval under section 80G, addressing cases where entities cannot meet existing deadlines and preventing unintended permanent loss of approval; the change preserves donor deduction eligibility and takes effect from the commencement date specified in the Bill.
News Bills
Show AI Summary
Registration timelines for charitable trusts moved to a six-month processing period measured from quarter-end for applications.
Applications by trusts, funds, or institutions seeking registration under section 12AB or approval under section 80G must be processed by the Principal Commissioner or Commissioner within six months from the end of the quarter in which the application is received; this quarter-end computation applies to initial and further or final registration/approval applications and replaces the prior month-end calculation.
News Bills
Show AI Summary
Merger of trusts may trigger tax on accreted income; proposed conditions aim to exempt qualifying mergers and clarify compliance.
Proposal: mergers of approved or registered charitable trusts and institutions may attract the tax on accreted income; a new statutory provision will prescribe conditions under which such mergers will not attract the accreted-income regime, specifying qualifying non-attraction safeguards for mergers between entities across the two approval/registration regimes. The amendments are to apply prospectively from the notified commencement date of the finance measures.
News Bills
Show AI Summary
Registration option for charitable trusts expanded to allow claiming exemption under additional specified section 10 clauses.
The amendment adds additional section 10 clause references to sub-section (7) of section 11 so that registration under section 12AB becomes inoperative when an entity is approved under those additional clause types; trusts and institutions retain a one-time option to apply to make their section 12AB registration operative, permitting an election between the registration regime and specified section 10 exemption regimes.
News Bills
Show AI Summary
Capital gains reform: simplified holding periods, unified long-term rate, higher short-term levy, and removal of indexation.
The Bill simplifies capital gains taxation by creating two holding periods-shorter for listed securities and longer for other assets-raising the specific short-term rate for securities subject to securities transaction tax while unifying long-term gains under a single lower rate with an increased exemption for specified securities; it removes indexation for long-term gains on property, gold and unlisted assets, brings unlisted debentures and bonds to tax at applicable rates, and aligns non-resident and withholding provisions to the new rates, effective from the operative date in the Bill.
News Bills
Show AI Summary
Specified Mutual Fund definition revised: funds must invest over sixty five percent in debt/money market, effective April 2026.
The amendment redefines Specified Mutual Fund under section 50AA to mean (a) a mutual fund investing more than sixty five percent of its proceeds in debt and money market instruments, or (b) a fund investing sixty five percent or more of its proceeds in units of such a fund. The change clarifies treatment of ETFs, gold funds and Fund of Funds previously affected by the thirty five percent equity threshold and is proposed to be effective from 1 April 2026 for AY 2026 27 onwards.
News Bills
Show AI Summary
TDS rate rationalisation reduces multiple withholding rates to simplified lower bands, retaining specific exceptions for certain payments.
Rationalisation of TDS rates streamlines withholding provisions by lowering multiple prior rates for specified non-salary payments, proposing omission of the provision on mutual fund unit repurchases, and preserving existing withholding regimes for salaries, virtual digital assets, lotteries, immovable property transfers, non-resident payments and contractor payments; implementation is phased on different effective dates to promote administrative simplification and improved taxpayer compliance without changing substantive chargeability.
News Bills
Show AI Summary
TDS on insurance commission reduced for non-corporate payees, affecting deduction at credit or payment from the effective date.
The Finance Bill amends withholding tax treatment for remuneration or reward for soliciting or procuring insurance business by reducing the TDS rate applicable to resident non-corporate payees; payers must continue to deduct tax at source when such income is credited or paid under existing triggering rules and modes, with the reduced rate taking effect from the prescribed effective date stated in the amendment.
News Bills
Show AI Summary
TDS on life insurance payouts reduced by amendment, lowering withholding obligation on qualifying policy payments for residents.
Section 194DA requires persons paying sums under life insurance policies to deduct tax at source on the income component of such payments, excluding amounts exempt under clause (10D) of section 10. The Finance (No.2) Bill, 2024 proposes a reduction in the withholding rate under Section 194DA, with the amendment to take effect from the first day of October under Clause 54, thereby lowering the deductor's TDS obligation on qualifying life insurance payouts to residents.
News Bills
Show AI Summary
TDS on lottery commissions reduced under section 194G, easing withholding obligations for payers from October onward.
Payers of commission, remuneration or prizes on sale or distribution of lottery tickets must deduct tax at source at the statutory withholding rate at the time of credit or payment, whichever is earlier. The Finance Bill amendment (Clause 56) lowers that withholding rate, with the reduction effective from the commencement date specified in the Bill.
News Bills
Show AI Summary
TDS on commission and brokerage reduced, altering withholding obligations and the timing of deduction for non individual payors.
Section 194H imposes TDS on persons other than individuals and HUFs for commission or brokerage (excluding insurance commission), requiring deduction at the time of credit or payment. The Finance Bill proposes a reduction in the TDS rate under section 194H, with the amendment to take effect from the stated commencement date, thereby modifying deductor withholding obligations for subsequent payments.
News Bills
Show AI Summary
TDS on rent reduced for individuals and HUFs, lowering withholding obligations for specified high-value rent payments.
Section 194-IB presently obliges individuals and Hindu undivided families (except those excluded by the second proviso to section 194-I) paying rent above the monthly threshold to deduct tax at source; the Finance Bill amends the provision to reduce the TDS rate from five percent to two percent, with the amendment operative from 1 October 2024.
News Bills
Show AI Summary
TDS on payments for work, commission and professional fees reduced to a lower withholding rate, effective from October.
Section 194M requires individuals and Hindu undivided families (except those already required to deduct under related contractor, commission or professional service provisions) to deduct tax at the earlier of credit or payment on sums for carrying out work (including supply of labour), commission or brokerage (excluding insurance commission), and fees for professional services. The Finance Bill proposes to reduce the prescribed withholding rate under Section 194M, with the amendment effective from 1 October 2024 as Clause 60.
News Bills
Show AI Summary
TDS on e-commerce transactions reduced to align with offline parity under the Finance Bill amendment.
Section 194-O obliges an e-commerce operator to deduct tax at source on the gross amount of sales or services when that amount is credited to an e-commerce participant's account or paid, whichever is earlier. The Finance Bill proposes reducing the operator's TDS rate to achieve parity with lower rates applicable to comparable offline provisions, with an effective date specified in the Bill.
News Bills
Show AI Summary
TDS on mutual fund unit repurchase proposed to be omitted under section 194F, simplifying taxation of capital gains.
Proposal deletes section 194F, removing the TDS obligation on payments for repurchase of units by mutual funds and UTI as part of capital gains tax rationalisation; the amendment takes effect from the first day of October under the Finance (No.2) Bill, 2024 (Clause 55).
News Bills
Show AI Summary
Tax credit for collected or deducted tax: salaried employees may use such credits to reduce salary TDS, easing compliance.
Amendment modifies the rule for computing tax to be deducted from salary so that any tax deducted or collected under the statutory collection-at-source and related withholding regimes is taken into account when determining salary tax deduction, thereby reducing cash-flow impacts on employees and the need to claim refunds; effective from 1 October 2024.

TMI Notes

Back

All TMI Notes

Showing Results for :
Reset Filters
No Records Found

TMI Notes

Back

All TMI Notes

Anti-Abuse Safeguards in the Indian Tonnage Tax Regime : Clause 234(1)-(3) of the Income Tax Bill, 2025 Vs. Section 115VZB of the Income-tax Act, 1961

28 May, 2025

Contents
Acts
Rules & Regulations
Summary
Note

Note

-

Bookmark

Print

Print

Clause 234 Avoidance of tax and exclusion from tonnage tax scheme.

Income Tax Bill, 2025

Introduction

The tonnage tax regime, introduced for shipping companies in India, represents a special taxation framework that simplifies the computation of income by linking it to the tonnage of ships operated, rather than the conventional profit-based system. This regime, while offering administrative convenience and competitive parity with global shipping taxation norms, is susceptible to potential abuse, particularly through arrangements engineered to secure undue tax benefits. To counteract such misuse, specific anti-abuse provisions have been embedded within the legislative framework. Clause 234 of the Income Tax Bill, 2025 , and its predecessor, Section 115VZB of the Income-tax Act, 1961, embody these anti-abuse safeguards. Both provisions aim to ensure that only genuine shipping operations benefit from the tonnage tax scheme, and that the scheme is not manipulated to secure tax advantages for non-eligible activities or entities. This commentary provides a comprehensive analysis of Clause 234(1)-(3), explores its legislative intent, dissects its operative mechanism, and critically compares it with Section 115VZB to highlight both continuity and any substantive changes.

Objective and Purpose

The legislative intent behind both Clause 234 and Section 115VZB is clear: to prevent the abuse of the tonnage tax regime by shipping companies through artificial or contrived arrangements. The tonnage tax scheme, by design, offers a concessional method of computing taxable income, which could otherwise be manipulated to shift profits, allocate expenses, or create arrangements that unduly reduce tax liability. The anti-abuse provisions are thus essential to:

  • Protect the integrity of the tonnage tax regime.
  • Prevent leakage of revenue through tax avoidance schemes.
  • Ensure that the benefits of the scheme accrue only to genuine shipping operations.
  • Provide a deterrent against aggressive tax planning involving related or third parties.

The historical context of these provisions stems from global experiences where tonnage-based tax regimes, while effective in promoting the shipping industry, have been vulnerable to exploitation by taxpayers seeking to extend the benefits beyond their intended scope.

Detailed Analysis of Clause 234(1)-(3) of the Income Tax Bill, 2025

Clause 234(1): Exclusion of Tonnage Tax Scheme in Case of Abuse

"Subject to the provisions of this Part, the tonnage tax scheme shall not apply where a tonnage tax company is a party to any transaction or arrangement which amounts to an abuse of the tonnage tax scheme."

This provision establishes the foundational rule that the tonnage tax scheme is inapplicable to companies engaging in abusive transactions or arrangements. The phrase "subject to the provisions of this Part" ensures that this exclusion operates within the broader regulatory framework governing tonnage tax. The operative trigger is the company being a "party to any transaction or arrangement" that constitutes an "abuse" of the scheme. This broad phrasing is significant, as it encompasses both direct and indirect participation in abusive conduct, and covers both single transactions and more complex arrangements.

Clause 234(2): Defining 'Abuse' and Scope of Tax Advantage

"For the purposes of sub-section (1), a transaction or arrangement shall be considered an abuse, if the entering into or the application of such transaction or arrangement results, or would but for this section have resulted, in a tax advantage being obtained for- (a) a person other than a tonnage tax company; or (b) a tonnage tax company in respect of its non-tonnage tax activities."

This sub-clause provides a functional test for "abuse," focusing on the outcome of the transaction or arrangement. The key elements are:

  • Result-oriented approach: The provision looks at whether the arrangement "results, or would but for this section have resulted," in a tax advantage. This covers both actual and potential tax benefits, thereby pre-empting arrangements that are designed to exploit loopholes.
  • Scope of beneficiaries: The provision targets tax advantages secured for (a) persons other than the tonnage tax company, and (b) the tonnage tax company itself, but only in relation to its non-tonnage tax activities. This is crucial, as it prevents the shifting of profits or expenses to entities or activities not eligible for the tonnage tax regime.

The dual focus ensures that both external shifting (to related or unrelated parties) and internal shifting (within the company's non-eligible activities) are covered.

Clause 234(3): Meaning of 'Tax Advantage'

"In this section, 'tax advantage' includes- (a) the determination of- (i) the allowance for any expense or interest; or (ii) any cost or expense allocated or apportioned, which has the effect of reducing the income or increasing the loss, from activities other than tonnage tax activities chargeable to tax, computed on the basis of entries made in the books of account in respect of the tax year in which the transaction was entered into; or (b) a transaction or arrangement which produces to the tonnage tax company more than ordinary profits which might be expected to arise from tonnage tax activities."

This sub-clause elucidates the concept of "tax advantage" through two principal limbs:

  • Expense and cost allocation (Clause 3(a)): This covers arrangements that manipulate the determination or apportionment of expenses or interest, with the effect of reducing taxable income (or increasing losses) from non-tonnage tax activities. The reference to "entries made in the books of account" and the specific tax year ensures that the provision is anchored in actual accounting practices, discouraging artificial shifting of costs.
  • Excessive profits (Clause 3(b)): This limb targets arrangements that result in the tonnage tax company earning "more than ordinary profits" from tonnage tax activities. This is an anti-avoidance measure aimed at preventing the funneling of profits from non-eligible activities into the tonnage tax regime, thereby securing a lower effective tax rate.

The inclusive definition ("includes") allows the term "tax advantage" to be interpreted broadly, capturing a wide range of tax-driven arrangements.

Comparative Analysis: Clause 234 of the Income Tax Bill, 2025 vs Section 115VZB of the Income-tax Act, 1961

Both Clause 234 and Section 115VZB are structurally and substantively similar, reflecting continuity in legislative policy. However, a close comparison reveals certain nuances and potential improvements in drafting and scope.

Textual and Structural Comparison

  • Trigger for Exclusion: Both provisions stipulate that the tonnage tax scheme "shall not apply" where the company is a party to an abusive transaction or arrangement. The language is nearly identical, ensuring consistency in operative effect.
  • Definition of Abuse: The tests for abuse in both provisions are functionally identical, focusing on arrangements that result in tax advantages for non-eligible persons or activities. The 2025 Bill uses "would but for this section have resulted," which is a slightly more explicit articulation of potential abuse.
  • Definition of Tax Advantage: Both provisions provide an inclusive definition, covering:
    • Manipulation of expense or interest allowances, cost allocation, or apportionment that affects non-tonnage tax income or loss.
    • Arrangements producing more than ordinary profits from tonnage tax activities.
    The 2025 Bill's language is marginally more detailed in specifying the computation "on the basis of entries made in the books of account in respect of the tax year," whereas the 1961 Act refers to "the previous year."

Substantive and Procedural Differences

While the core anti-abuse rules are retained, the Income Tax Bill, 2025, introduces several procedural and clarificatory enhancements in its full version (as seen in sub-sections (4)-(7), though the focus here is on (1)-(3)). Notably, Clause 234(1)-(3) is almost a verbatim reproduction of Section 115VZB(1)-(2), with only minor editorial changes.

Interpretational Issues and Ambiguities

  • Subjectivity in 'Ordinary Profits': Both provisions refer to "more than ordinary profits," but neither defines what constitutes "ordinary profits." This leaves room for interpretational disputes between taxpayers and tax authorities, potentially requiring judicial clarification or administrative guidance.
  • Scope of 'Arrangement': The term "arrangement" is not defined, and could include a wide spectrum of commercial dealings, from inter-company transactions to complex group structures. The breadth of this term necessitates careful factual analysis in each case.
  • Reference Year: The 2025 Bill refers to the "tax year," aligning with global terminology, while the 1961 Act uses "previous year," the traditional Indian tax parlance. This is a minor terminological update with no substantive impact, but may reflect a broader move towards international best practices.

Policy Continuity and Legislative Intent

The near-identical wording of the two provisions underscores a deliberate policy choice to maintain the anti-abuse safeguard as an essential part of the tonnage tax regime. The minor linguistic refinements in the 2025 Bill do not alter the substantive reach or intent of the provision.

Practical Implications

For Shipping Companies

  • Companies must ensure that all transactions and arrangements are commercially justified and not designed primarily for tax advantage.
  • Internal controls and documentation must be robust to demonstrate the bona fide nature of transactions, particularly those involving related parties or significant cost allocations.
  • Companies must be vigilant in allocating expenses and recognizing profits, ensuring that non-tonnage tax activities are not used to shelter income or inflate losses.

For Tax Authorities

  • The provisions empower tax officers to scrutinize arrangements and, where abuse is detected, deny the tonnage tax benefit.
  • Given the potential subjectivity in determining "ordinary profits" and the bona fide nature of transactions, tax authorities must exercise judgment and fairness, supported by adequate reasoning and evidence.

Compliance and Litigation Risks

  • The broad and inclusive language of "tax advantage" and "arrangement" may lead to disputes, particularly in complex corporate structures or multinational operations.
  • Taxpayers may challenge adverse findings on grounds of commercial justification, requiring detailed factual and legal analysis in each case.

Comparative Perspective: International and Domestic Context

Anti-abuse provisions are a common feature in tonnage tax regimes worldwide. The Indian approach, as reflected in both Clause 234 and Section 115VZB, aligns with global best practices by:

  • Focusing on substance over form.
  • Providing for both actual and potential abuse.
  • Targeting both internal and external shifting of profits and expenses.

At the same time, the Indian provisions are notable for their explicit reference to accounting entries and for the inclusive definition of "tax advantage," which may be broader than in some other jurisdictions.

Potential Areas for Reform or Clarification

  • Definitional Clarity: Providing a statutory or regulatory definition of "ordinary profits" would enhance certainty for taxpayers and reduce litigation.
  • Guidance on Arrangements: Administrative guidance or illustrative examples could clarify the scope of "arrangement" and the types of transactions likely to be scrutinized.
  • Procedural Safeguards: While the full Clause 234 includes procedural safeguards (notice, opportunity to be heard, approval of higher authority), ongoing monitoring of their effectiveness is warranted to ensure fairness.

Conclusion

Clause 234(1)-(3) of the Income Tax Bill, 2025, represents a direct continuation of the anti-abuse framework established by Section 115VZB of the Income-tax Act, 1961. Both provisions are designed to prevent the misuse of the tonnage tax regime by shipping companies through arrangements aimed at securing undue tax benefits. The provisions are broadly worded to capture a wide range of abusive practices, with the ultimate objective of preserving the integrity of the tonnage tax scheme. While the 2025 Bill introduces minor linguistic updates, the substantive policy and operative mechanism remain unchanged. The inclusive definition of "tax advantage" and the focus on both internal and external shifting of profits and expenses reflect a comprehensive approach to anti-avoidance. However, certain ambiguities-such as the meaning of "ordinary profits"-persist, highlighting the need for further legislative or administrative clarification. In practice, these provisions impose significant compliance obligations on shipping companies, requiring careful structuring and documentation of transactions. For tax authorities, the provisions provide a robust tool to counteract abuse, but also demand judicious application to avoid penalizing legitimate commercial arrangements. As the tonnage tax regime continues to evolve, ongoing vigilance and periodic review of the anti-abuse framework will be essential to balance the twin objectives of industry promotion and revenue protection.


Full Text:

Clause 234 Avoidance of tax and exclusion from tonnage tax scheme.

Topics

Acts Income Tax