In short

Concessional contributions count toward the cap in the financial year the super fund actually receives them, not when the salary was earned. Under the quarterly SG framework, Q4 (April-June) super is due 28 July, typically landing in the next financial year, a trap for employees retiring 30 June who plan personal deductible contributions in their final year. Payday super reform from 1 July 2026 reduces this lag.

For Australian late-career employees making concessional contributions to super — through employer Super Guarantee, salary sacrifice arrangements, and personal deductible contributions — the timing of contributions between financial years is a specific operational issue that can produce unexpected outcomes if not carefully managed. Under the quarterly Super Guarantee framework administered by the ATO, employers must pay SG to employees' super funds within 28 days of the end of each quarter (ATO — how much super to pay, https://www.ato.gov.au/businesses-and-organisations/super-for-employers/paying-super-contributions/how-much-super-to-pay, accessed 15 May 2026), meaning fourth-quarter (April–June) SG is typically due 28 July — landing in the next financial year rather than the year the income was earned. For employees making personal deductible contributions in late June, the notice of intent timing affects which year's CC cap is consumed. For employees retiring at year-end, the carry-over effects mean the next year's CC cap is partially consumed before the new year even begins. The payday super reform commencing 1 July 2026 (ATO — payday super, https://www.ato.gov.au/businesses-and-organisations/super-for-employers/paying-super-contributions/payday-super, accessed 15 May 2026) tightens SG payment timing to match each pay cycle, reducing but not eliminating the year-shift effects. For late-career employees coordinating personal deductible contributions with employer SG in their final years of work, understanding the timing rules is essential to avoid inadvertent excess CC.

The basic CC framework sums all concessional contributions across all funds for the financial year against the CC cap ($30,000 for FY25-26; ATO — concessional contributions cap, https://www.ato.gov.au/individuals-and-families/super-for-individuals-and-families/in-detail/growing-and-keeping-track-of-your-super/contributions/concessional-contributions-cap, accessed 15 May 2026). Concessional contributions include employer SG (the SG rate is 12% from 1 July 2025), salary sacrifice arrangements with the employer, personal deductible contributions where the member claims a tax deduction, and notional taxed contributions for defined benefit members. The CC for the year is determined by when the contribution is received by the fund, not when the underlying income was earned or when the member instructed the contribution. For most contributions made directly by employees (cash transfers, salary sacrifice deducted from pay), the timing is relatively predictable. For employer SG, the timing follows the SG payment rules, with potential mismatches between earning period and contribution year.

The 28-day SG rule sets out the payment deadlines. Q1 SG (covering July–September earnings) is due 28 October. Q2 SG (October–December) is due 28 January. Q3 SG (January–March) is due 28 April. Q4 SG (April–June) is due 28 July. The Q4 deadline of 28 July is the source of the year-shift effect — Q4 SG paid on or near 28 July lands in the new financial year for CC counting purposes, even though the underlying salary was earned in the prior year. For employees retiring at the end of June, this means the SG accrued on their final months of work shifts into the post-retirement year for CC purposes — potentially consuming CC cap in a year when they have no salary income to support further deductible contributions.

The payday super reform commencing 1 July 2026 changes the SG payment timing structure. From the commencement date, employers must pay SG at the same time as salary and wages — with each pay cycle — rather than batching to quarterly payments, and the contributions must reach the fund within a short window of the pay date. The reform aligns SG payments more closely with when wages are earned and reduces the year-shift effect. For employees retiring after the reform commencement, Q4-equivalent SG paid in June with the final pay cycles will typically land in the financial year of earning rather than the next year — though small lag effects may remain depending on processing. For employees in the transition period (FY25-26 still under the quarterly framework; FY26-27 onwards under the reform), the timing is a hybrid that needs case-by-case modelling.

The final-year retirement scenario illustrates the year-shift effect. Consider an employee retiring on 30 June 2026 with the following CC pattern: Q1 SG of $3,000 paid 28 October 2025 (lands FY25-26), Q2 SG of $3,000 paid 28 January 2026 (lands FY25-26), Q3 SG of $3,000 paid 28 April 2026 (lands FY25-26), Q4 SG of $3,000 paid 28 July 2026 (lands FY26-27 — the next year), and a personal deductible contribution of $20,000 made 15 June 2026 (lands FY25-26). The FY25-26 total CC: $9,000 SG + $20,000 personal = $29,000 — within the $30,000 cap. The FY26-27 year starts with $3,000 already counted (the Q4 SG carry-over). For an employee planning to make further personal deductible contributions in FY26-27 (their first retirement year, with potentially low income), the cap is partially pre-consumed by the Q4 SG. For an employee not planning further CCs in FY26-27, the carry-over has no practical effect. For practitioners modelling final-year retirement contribution strategies, the Q4 SG impact on the next year is one of the considerations under the legacy quarterly framework.

The personal deductible contribution timing has its own coordination requirements. A personal deductible contribution becomes a counted CC when the contribution is received by the fund and the member lodges a valid notice of intent to claim the deduction with the fund, with the fund acknowledging the notice. Under section 290-170 of the Income Tax Assessment Act 1997 (https://classic.austlii.edu.au/au/legis/cth/consol_act/itaa1997240/s290.170.html, accessed 15 May 2026), the notice must be given to the fund before the earlier of (a) the day the member lodges their income tax return for the income year in which the contributions were made, and (b) the end of the income year following the income year in which the contributions were made. A notice given late (after either limit) is not valid and the deduction is lost. For multiple-fund members, separate notices to each contributing fund are required. Partial-deduction notices (claiming only some of the contribution as deductible while leaving the rest as NCC) require specific notice handling. For late-career employees making substantial personal deductible contributions, the notice discipline is part of the standard year-end and tax-return process.

A specific timing trap is the late-June personal contribution that lands in early July. An employee instructs their fund on 28 June 2026 to process a $20,000 personal deductible contribution. The fund processes the contribution on 4 July 2026. The contribution is allocated to FY26-27 — not FY25-26 as the employee intended, because the CC year is determined by when the fund receives the contribution. For employees planning to use FY25-26 cap for the contribution, this fund-processing delay produces a timing problem: the contribution doesn't count for FY25-26, that year's cap is left unused, and FY26-27 cap is consumed by the carry-over. The fix is administrative discipline: make personal deductible contributions earlier in the year (April–May), confirm with the fund the year of allocation, and document the contribution date for tax compliance.

For employees with multiple employers, the timing complexity multiplies. Each employer's SG processing timing may differ, with some paying Q4 SG before 30 June and others paying after. The CC year allocation must consolidate across all employers' contributions. For employees in the gig economy or with multiple part-time roles, tracking total SG across all employers throughout the year is essential to avoid inadvertent excess CC.

For post-payday-super-reform employees (FY26-27 onwards), the per-pay-cycle SG payment substantially reduces the year-shift effects. SG paid with each pay cycle lands shortly after the pay date — final pay in late June 2027 produces an SG payment also in late June or early July 2027, with much less likelihood of crossing into FY27-28 than the old quarterly system. The reform doesn't eliminate timing complexity entirely but materially reduces it.

The practical advice work for late-career employees managing CCs has a specific shape. Calculate available CC cap at the start of the year, including any carry-forward unused cap if TSB at the prior 30 June was under $500,000 (carry-forward rules in ITAA 1997 s.291-20, https://classic.austlii.edu.au/au/legis/cth/consol_act/itaa1997240/s291.20.html, accessed 15 May 2026). Track contributions across all sources continuously — multiple employers, salary sacrifice, personal deductible, all summed monthly to confirm the cumulative position. Time personal deductible contributions earlier in the year (April–May at the latest) to avoid year-end fund-processing delays that could shift the contribution to the next year. Lodge notice of intent with the fund promptly, well within the s.290-170 limits. Account for Q4 SG lag in cap allocations under the legacy quarterly framework. Plan for the payday super reform transition as the framework shifts to per-pay-cycle from 1 July 2026. Coordinate final-year retirement timing with the contribution strategy — the final year of work is the last opportunity for substantial personal deductible contributions while still earning, and getting the timing right captures the maximum benefit.

What do worked planning examples show?

These two cases show how CC timing plays out for typical late-career scenarios. Illustrative only — not personal advice — using FY25-26 figures.

Case 1 — Robert, 64, retiring 30 June 2026 with TSB $700,000 (above the $500k carry-forward threshold, so no carry-forward available). Plans a $20,000 personal deductible contribution in his final year. SG for FY25-26 is $12,000 ($3,000 per quarter). On these facts, the contribution timing analysis: total intended FY25-26 CC if all four quarters of SG landed in the year would be $20,000 personal + $12,000 SG = $32,000 against the $30,000 cap — a $2,000 excess. The rational pathway recognises that Q4 SG will land in FY26-27 under the legacy quarterly rules, so the actual FY25-26 total is $20,000 personal + $9,000 (Q1–Q3 SG) = $29,000 — within cap. The Q4 SG of $3,000 lands in FY26-27 as Robert's first contribution that year. He plans no further FY26-27 CCs (retired, no salary income), so the Q4 carry-over doesn't cause issues. The trap to avoid is making the personal deductible contribution in late June and having it processed in early July — that timing shift would push the personal contribution into FY26-27, leaving FY25-26 with only $9,000 counted and pushing $23,000 into FY26-27, which could create an excess against any FY26-27 cap planning.

Case 2 — Margaret, 60, two employers, total SG approximately $18,000 a year, plans a $12,000 personal deductible contribution. TSB $400,000 — below the carry-forward threshold. On these facts, the carry-forward is available — Margaret has accumulated unused CC cap from prior years under s.291-20 (assume $40,000 over the past five years). Total available cap for FY25-26: $30,000 standard + $40,000 carry-forward = $70,000. Total CC: $18,000 SG + $12,000 personal = $30,000 — comfortably within the available cap. Q4 SG lag from one employer shifts a quarter into FY26-27 — a modest impact, absorbed by ongoing carry-forward availability. The trap to avoid is missing the notice of intent for the personal deductible contribution — even within cap, the deduction must be claimed via a valid s.290-170 notice within the prescribed time, or the deduction is lost entirely.

For Australian late-career employees managing concessional contributions, the timing framework — the 28-day quarterly SG rule, the payday super reform transition from 1 July 2026, notice of intent discipline under s.290-170, and fund processing windows — is the operational layer that determines which financial year's cap each contribution consumes. For most employees, the timing operates predictably under standard arrangements. For final-year retirement scenarios, multiple-employer arrangements, and substantial personal deductible contributions, the timing details matter and inadvertent excess CC can arise from miscoordination. The advice work is to surface the timing rules, model the cumulative position throughout the year, and time contributions to land in the intended year. The payday super reform from July 2026 simplifies the framework but doesn't eliminate the need for coordination in the final year of employment.

Sources

Key takeaways

  • A concessional contribution counts toward the CC cap in the financial year the super fund receives it, not the year the underlying salary was earned — which matters most for Super Guarantee payments made near a financial year boundary.
  • Under the current quarterly SG framework, Q4 (April-June) super is due 28 July, so it typically lands in the following financial year, potentially pre-consuming part of an employee's cap in their first year of retirement.
  • Personal deductible contributions must be accompanied by a valid notice of intent lodged before the earlier of your tax return lodgement date or the end of the following income year — a late or missing notice loses the deduction entirely under s.290-170.
  • A personal deductible contribution instructed in late June but processed by the fund in early July counts toward the next financial year's cap, not the intended year — making it safer to lodge such contributions in April or May.
  • The payday super reform, commencing 1 July 2026, requires employers to pay SG with each pay cycle rather than quarterly, substantially reducing (though not fully eliminating) the year-shift effect around 30 June.

Frequently asked questions

Why does my final quarter's Super Guarantee sometimes count in the wrong financial year?

Because a concessional contribution counts toward the cap in the year the super fund actually receives it, and under the current quarterly framework, Q4 SG (covering April to June earnings) isn't due until 28 July — often landing in the next financial year even though the salary was earned in the prior year.

What happens if I make a personal deductible contribution in late June and it's processed in July?

It counts toward the next financial year's concessional contributions cap, not the year you intended, because contribution year allocation is based on when the fund receives the money. To avoid this timing risk, it's safer to make such contributions well before 30 June, such as in April or May.

How does the payday super reform change concessional contribution timing?

From 1 July 2026, employers must pay Super Guarantee with each pay cycle rather than quarterly, so contributions land much closer to when the wages were actually earned. This substantially reduces, though doesn't fully eliminate, the risk of a final quarter's SG spilling into the next financial year.

What is the deadline for lodging a notice of intent to claim a personal super contribution deduction?

Under s.290-170 of ITAA 1997, the notice must be given to your fund before the earlier of the day you lodge your tax return for the year the contribution was made, or the end of the following income year. Missing this deadline means the deduction is permanently lost, even if the contribution itself was within cap.

A note on advice. This article is general information only and doesn't account for your personal circumstances. Everyone's situation is different — before acting, it's worth talking it through with a licensed adviser who knows your full picture.