The PDF is the eighth edition, despite its filename
The linked filename says seventh edition, but the downloaded guide is the Eighth Edition published on 30 January 2026. It incorporates Budget 2025’s extension of the M&A scheme to 31 December 2030. The scheme supports qualifying ordinary-share acquisitions by substantive Singapore businesses, with an M&A allowance and double deduction for qualifying transaction costs.
Stamp duty relief is a separate historical benefit: it applies only to instruments executed from 1 April 2010 to 31 March 2020 and has lapsed for instruments from 1 April 2020. Neither the extension to 2030 nor the guide’s inclusion of old stamp examples revives that relief. The detailed historical caps and transitional thresholds below are labelled by their applicable dates.
Acquisitions the scheme is not intended to support
The scheme is not intended for mere internal reorganisations, forming new subsidiaries, or acquiring shares as trading stock. An internal restructuring can qualify only to the extent it increases the group’s ordinary-share interest in a target. Moving an existing 60% holding from a parent to its wholly owned subsidiary does not create a new benefit; increasing the group’s target holding from 60% to 80% can potentially qualify only for the additional 20%, subject to conditions.
Acquisition date is the ordinary-share sale agreement date, or, without an agreement, the transfer date. A Singapore company must be both incorporated and tax resident there. “Connected” means one company beneficially holds at least 75% of the other’s ordinary shares, directly or indirectly, or a third company holds at least 75% of each.
Allowance rates and acquisition caps
The allowance is the relevant rate multiplied by qualifying purchase consideration subject to its cap. From 1 April 2010 to 31 March 2015 it was 5% on consideration up to S$100 million per basis period; from 1 April 2015 to 31 March 2016 it was 25% on S$20 million; from 1 April 2016 to 31 December 2030 it is 25% on S$40 million.
The total allowance for acquisition cohorts in a basis period ending before 1 April 2016 is capped at S$5 million. A period beginning on or after that date has a S$10 million cap. A straddling period applies the earlier S$5 million and later S$10 million components with a combined S$10 million ceiling. These limits concern the total allowance granted for the cohort, not an immediate deduction of the entire amount in one YA.
Five-year write-down and contingent consideration
Allow the M&A allowance straight-line over five years without deferral. Contingent consideration incurred in the acquisition basis period is included then. Later contingent consideration is written down over the remaining years of the original period; if incurred in its last basis period or later, the allowance is fully taken in the YA for the incurred period, with qualifying conditions still required.
Cash consideration must be fully paid within six months of acquisition, or six months after contingent consideration becomes payable. Where the acquirer issues its own shares, use their acquisition-date market value plus any cash. If market value is unavailable, the fallback is its shares’ NAV at the preceding accounting-period end. The acquiring company alone claims the allowance, even where a qualifying wholly owned acquisition subsidiary buys the target.
Transaction-cost double deduction
The double deduction covers necessary professional acquisition fees, such as legal, accounting, tax advice and valuation fees, for qualifying acquisitions from 17 February 2012 to 31 December 2030. It excludes financing-arrangement fees and incidental borrowing costs, stamp duty and other taxes. Deduct government or statutory-board grants or subsidies before applying the S$100,000 expenditure cap.
The cap groups all target acquisitions whose M&A allowances are first claimed in the same YA, regardless of when their transaction costs arise. The double deduction is taken in the later of that first allowance YA and the YA for the costs’ incurred basis period. Thus the expenditure cap is not S$100,000 for each adviser, target or cost-incurred year.
Current qualifying ownership thresholds
For acquisitions from 1 April 2015 to 31 December 2030, the minority route moves from below 20% to 20%–50% ordinary-share ownership, with additional active-participation conditions. The control route moves from 50% or less to more than 50%. Aggregate the company and qualifying acquisition subsidiaries’ holdings and maintain the crossed threshold at the basis-period or FY end.
Earlier acquisitions had the more-than-50% route and a 75%-or-more route where prior ownership exceeded 50% but was below 75%. The 75% route was removed from 1 April 2015, with a one-year transition requiring a pre-April 2015 acquisition and a crossing acquisition within twelve months, no later than 31 March 2016. It is not a third current threshold.
Requirements for the acquirer and target
The acquirer must be a Singapore company conducting Singapore trade or business at acquisition, with at least three local employees excluding directors throughout the preceding twelve months, and not connected to the target for the preceding two years. If part of a corporate group, the ultimate holding company must also be Singapore-incorporated and tax resident. Headquarters-programme waivers described for historic acquisitions are no longer granted for acquisitions from 1 April 2020.
The target, or a wholly owned direct or indirect operating subsidiary, must conduct business in Singapore or elsewhere at acquisition and have at least three employees throughout the preceding twelve months; those target-side employees need not be local. An acquisition subsidiary and each relevant intermediate holding company must be wholly owned, non-trading in Singapore and elsewhere, established primarily to acquire and hold company shares, and make no scheme claim themselves. Indirect ownership was permitted for qualifying acquisitions from 17 February 2012; older claims retain the earlier direct-ownership conditions.
Local employees include specified secondments
A local employee is a Singapore citizen or permanent resident with obligatory CPF contributions for the claimant employment. From YA 2020, central hires and secondees can qualify only if they work solely for the claimant, their remuneration is borne directly or indirectly by it and not deducted by the central hirer or another entity, and the arrangements have genuine commercial reasons. In a central-hiring structure, the central hirer must be the sole hiring entity for the related-party group. Count qualifying people throughout the required period, rather than checking the headcount only on signing day.
Minority acquisitions require real board representation
For the 20% route, the target must be an associate, meaning significant influence under the applicable accounting standards. The acquirer or acquisition subsidiary must be represented on the target board, its operating subsidiary board, or a wholly target-owned company that wholly owns that operating subsidiary. Representation must exist by the due date of the corporate return for the acquisition YA and continue during the write-down period.
Annex C allows any legally eligible individual, not only an existing acquirer director. An employee or director relationship is prima facie evidence, but a written representation agreement may still be requested; one is needed for an outsider. Fees do not decide eligibility. A pre-existing common director does not suffice without specific appointment to represent the acquirer. Representatives can change if at least one remains. When later control exceeds 50%, the associate and board conditions cease from that basis period’s YA, but reapply if ownership falls back to 50% or less.
Step acquisitions and the expired look-back option
Acquisitions in the same basis period or FY as the threshold-crossing acquisition can be consolidated, with each tranche meeting applicable conditions and the threshold maintained at period end. The rate and caps follow the period in which the threshold was crossed. The non-connection condition has an exception for subsequent tranches after crossing but within that same eligible period; the guide illustrates 80% in June 2015 followed by the remaining 20% in October.
The alternative continuous twelve-month look-back applied to 50% or 75% crossings, never the 20% route. It was removed from April 2015 with a transition ending 31 March 2016 for previously started acquisitions. It could end on the crossing date or a later tranche before the relevant year-end and the transition deadline. Present-day claims cannot simply elect that historic option.
Maintain eligibility during the write-down period
Throughout each claimed basis period, the acquirer and relevant ultimate parent retain Singapore status, the acquirer conducts Singapore business and employs three local non-director employees. Subsidiaries and intermediate companies remain wholly owned, non-trading and non-claiming; minority-route associate and board conditions continue where applicable. A failure stops the not-yet-allowed balance from the affected YA. Late contingent consideration beyond five years still requires conditions for its incurred period.
Historical stamp relief instead required the relevant conditions for two years after acquisition, or the final step-acquisition date, with relief plus interest recoverable on failure. Keep this historic clawback window distinct from the five-year income-tax write-down.
Offset order and unused amounts
Deduct M&A allowance and transaction-cost DTD first against normal business income. Remaining amounts can offset concessionary income under section 37A. Where only concessionary income exists, the specified deduction is A×B/C, where A is the M&A deduction, B the ordinary corporate rate and C the single, higher or highest concessionary rate. Unused amount can proceed to other concessionary income under that section.
Neither M&A allowance nor DTD transfers under group relief or carries back to prior years. Unabsorbed amounts can carry forward against the claimant’s future income subject to the section 37O shareholding test. A substantial change in ultimate shareholders can stop future allowances and forfeit unused amounts unless the relevant requirement is waived.
Divestment differs from dilution
A later sale that falls below the qualifying threshold stops future allowance from the relevant YA. If the threshold remains met, allowance is prorated using (original qualifying shares minus cumulative divested shares)/original qualifying shares × original annual allowance. By contrast, dilution through target new issues can preserve allowance without proration where the applicable holding condition remains met.
There is a wording inconsistency for exact 20% after dilution: paragraph 10.5 says more than 20%, but paragraph 10.6 and Annex F stop relief below 20% and Annex F includes 20%. The guide does not resolve that boundary, so an exact-20% case needs confirmation under the governing rule. For the control route, dilution to 50% or less stops allowance. Historic stamp clawbacks apply to threshold loss within two years, with interest.
Anti-avoidance and supporting records
Artificially inflating consideration, unsupported sale-and-repurchase cycles, creating an asset-holding SPV mainly to turn an intended asset purchase into an allowance-bearing share deal, and post-acquisition asset stripping are listed abuse examples. Under section 33, arrangements mainly creating or inflating allowance or DTD can be disregarded and benefits withdrawn; the specified ordinary assessment time limits do not protect those cases. Genuine commercial reasons distinguish a legitimate disposal and repurchase.
For allowance-only claims, retain rather than routinely submit supporting documents with the return: responsible-officer confirmation, executed agreement or transfer instrument, target accounts within twenty-four months, and required valuation evidence. Keep records at least five years from the relevant YA and supply them on request. An independent valuation can be required for foreign targets, share-funded deals lacking a readily available market value, or where the claimant does not use its own-share NAV. From 13 July 2015 the waiver applies to Singapore-listed claimants or their subsidiaries, or acquisition value at most S$5 million; earlier waiver conditions required unrelated parties and the value ceiling.
Historical stamp administration and Annex B
For pre-April-2020 relief, documents ordinarily needed stamping within fourteen days if executed in Singapore or thirty days of first receipt in Singapore if executed overseas, subject to timely relief application. The application included instruments, recent target accounts and a statutory declaration about conditions, intended holding, dilution and shareholder changes. Pre-13-July-2015 foreign targets also required independent valuation.
Duty uses the higher of consideration and target-share NAV; own-share consideration for duty uses the acquirer’s NAV, unlike the allowance’s market-value rule. Annual relief caps were S$200,000 before April 2015, S$40,000 for April 2015–March 2016, and S$80,000 from April 2016–March 2020. Unused relief did not carry forward. Annex B’s three S$90 million deals each attract S$180,000 duty: historical relief is S$180,000 in 2014, S$40,000 in 2015 with S$140,000 payable, and S$80,000 in 2016 with S$100,000 payable.
Annex A traces caps and later contingent payments
The historical example has acquisition values S$65 million and S$50 million in 2014; S$30 million in January 2015 and S$12 million in October 2015; S$25 million in February 2016 and S$24 million in June 2016. Their total allowance cohorts are S$5 million, S$4.5 million and S$10 million after the relevant limits. Each cohort writes down at S$1 million, S$0.9 million and S$2 million annually for five years.
Later contingent amounts S$10 million and S$3 million for the 2015 transactions theoretically raise that cohort to S$5.75 million, but its original S$5 million ceiling leaves only S$0.5 million extra above the existing S$4.5 million. The claimant identifies how it attributes that remaining cap. Spread the S$0.5 million over the remaining three YAs as displayed S$0.17 million, S$0.17 million and S$0.16 million. The combined YA 2015–2021 schedule is 1.00,1.90,3.90,4.07,4.07,3.06,2.00 million. The last 0.16 is a displayed balancing instalment, not a different allowance rate.
Annex D: three step-acquisition cases
Example 1 distinguishes D’s pre-April-2015 20% purchase, which is not eligible, from E’s post-April crossing, where only the S$1.5 million later purchase qualifies. F crosses control before April and consolidates S$20 million at 5%; G crosses after April and consolidates S$5 million at 25%. Total allowance is S$0.375+1+1.25 = S$2.625 million. Sequential historical stamp relief totals S$40,000: S$22,000 for F in March, S$6,000 for G in May, S$3,000 for E in August, S$9,000 capped for F in September, and zero for G in October.
Example 2 has an ineligible February 2010 60% purchase, then three S$1 million tranches in March, June and September 2015. The transitional 75% crossing consolidates the latter three: allowance S$0.75 million and historic duty relief S$6,000.
Example 3 compares the basis period with historical look-back periods A and B. After a ten-million-share sale, displayed allowances are S$0.31 million, S$0.45 million and S$0.55 million; the first and third exact calculations are approximately S$0.311111 and S$0.546875 million. Historic relief is S$16,000,S$18,000,S$25,000. The disposal is attributed to the latest June tranche, outside Period A. Selling fifty million instead leaves only 45% at year-end and defeats all three claims. These cases teach historical transition mechanics, not a current look-back election.
Annex E proration and the outdated summary table
Annex E buys 800,000 shares, 80% of the target, for S$20 million in August 2017, producing S$5 million allowance or S$1 million per YA. Selling 200,000 in June 2019 leaves 60%, so YA 2018 and 2019 each retain S$1 million and YA 2020–2022 each allow(800,000−200,000)/800,000×1 million=S$0.75 million. Selling 300,000 instead leaves 50% and stops allowance from YA 2020.
Annex F summarises acquisition, divestment, dilution, shareholder changes and eligibility failure, but its acquisition row still lists a S$5 million allowance cap, old S$200,000/S$40,000 duty caps and the 75% threshold. Those entries have not been fully updated to the main text’s later S$10 million cap, S$80,000 historical duty cap and current thresholds. Use the main dated rules for amounts and eligibility; the table remains useful for distinguishing proration, cessation and historic interest clawback.
Registered business trusts and amendment history
An acquiring registered business trust (RBT) is covered with modifications. It must be established in Singapore with a Singapore-executed deed governed by Singapore law. Residence requires the trustee-manager to conduct Singapore business in that capacity and the trust business to be controlled and managed there. The ultimate-parent replacement requires at least 50% of units beneficially held directly or indirectly by a Singapore company that is not itself another person’s subsidiary. The trustee-manager must have the three local employees for the trust business.
For connection tests, references to 75% company shares become 75% trust units. The continuity test requires the same unitholders to have at least 50% of residual distributable profits and at least 50% of residual winding-up assets on both comparison dates.
The amendment history explains 2012 indirect-ownership/DTD changes, 2014 document retention, 2015 rate/threshold/valuation changes, 2016 cap increase, 2020 stamp expiry and end of headquarters waiver, YA 2020 central-hire/secondment enhancement, 2023 legislative references and the 2026 extension to 2030. Preserve those dates in evaluating historic claims and use the original PDF for detailed examples and footnotes.
Official source
This article independently explains the substantive contents of the official PDF, including the relevant conditions, procedures and annexes. The linked document remains the authoritative source for its original wording, and later changes should be checked separately.
Read the official PDF ↗