Super contributions timing: year-end and early-year extra payments explained
- Extra super contributions around the end or start of the financial year can affect tax outcomes, depending on caps and timing.
- The concessional contributions cap, carry-forward rules, and salary sacrifice arrangements all work together — but only if used correctly.
- Key takeaway: timing matters as much as the amount, and mistakes can lead to excess contributions tax.
In Australia, superannuation contributions are tied to the financial year (1 July to 30 June). That makes the period from late May through early July especially important for anyone considering extra contributions.
For employees, contractors and small business owners alike, questions often arise around this time: Should I top up before 30 June, or wait until July? Can I still use unused caps from previous years? How does salary sacrifice actually fit in?
This guide explains how year-end and early-year super contribution timing works in plain language, with a focus on concessional caps, carry-forward rules and salary sacrifice basics. It is general information only, and individual circumstances can differ.
1) Understanding the concessional contributions cap
Concessional contributions are contributions made before tax. These commonly include:
- Employer Super Guarantee (SG) contributions
- Salary sacrifice contributions
- Personal contributions for which you claim a tax deduction
For most people, there is an annual limit — the concessional contributions cap. Contributions above this cap may be taxed at a higher rate, which is why tracking totals is important.
The cap applies per financial year, not per employer or per fund. This means multiple jobs or contribution sources all count toward the same limit.
2) Why timing before 30 June matters
Super contributions generally count in the financial year when the fund receives the money, not when you initiate the payment. This distinction becomes critical in late June.
For example:
- A personal contribution made on 29 June may count in the next financial year if the fund receives it after 30 June.
- Salary sacrifice amounts depend on payroll processing dates, not just when you request the change.
Because of this, many funds publish “cut-off” dates in June. Missing these deadlines can shift a contribution into the next year unintentionally.
3) Carry-forward concessional contributions: how unused caps work
The carry-forward rule allows some people to use unused portions of their concessional cap from previous years.
In simple terms:
- If you did not use your full concessional cap in earlier years, the unused amount may be carried forward.
- These unused caps can generally be accessed for up to five years.
- Eligibility depends on your total super balance being below a set threshold at the previous 30 June.
This can make late-year top-ups more flexible, but it also increases the importance of checking exact figures before contributing.
4) Salary sacrifice: what it is (and what it is not)
Salary sacrifice is an arrangement where part of your pre-tax salary is paid into super instead of being received as cash wages.
Key points to understand:
- Salary sacrifice contributions count toward your concessional cap.
- They are separate from, but added to, your employer’s SG contributions.
- Changes usually apply prospectively — not retroactively.
This means a last-minute salary sacrifice request in June may not affect contributions already processed earlier in the year.
5) Year-end versus early-year: which timing makes sense?
There is no single “best” answer for everyone. The choice between contributing before 30 June or after 1 July often depends on:
- How much of your concessional cap you have already used
- Whether you have unused carry-forward amounts
- Your expected income and cashflow
- Administrative cut-off dates set by your fund or employer
Some people prefer to wait until early July to reset their annual cap, while others aim to use available carry-forward space before it expires.
6) Common mistakes around extra contributions
- Forgetting SG amounts: employer contributions count toward the same cap as salary sacrifice.
- Missing fund cut-off dates: payments received after 30 June may fall into the next year.
- Assuming carry-forward applies automatically: eligibility depends on your total super balance.
- Overcontributing: excess concessional contributions may trigger additional tax and administration.
Most issues arise from timing and assumptions rather than intent.
How extra super contributions fit into your broader plan
Extra super contributions can be part of long-term planning, but they also lock money away until preservation age. For that reason, many people balance super top-ups against:
- Emergency savings
- High-interest debt
- Short- to medium-term cash needs
Understanding how much flexibility you need outside super is just as important as understanding the tax rules inside it.
Quick Q&A: super contribution timing
-
Q: Do contributions count when I pay them or when the fund receives them?
A: Generally when the super fund receives the money. -
Q: Can I fix an excess contribution after the fact?
A: There are processes for excess concessional contributions, but they may involve extra tax and paperwork. -
Q: Is salary sacrifice better than personal deductible contributions?
A: They can have similar tax treatment, but the mechanics and timing differ.
Disclaimer: This article is for general information only and is not financial or tax advice. Superannuation rules and thresholds can change, and individual circumstances differ. Check official ATO guidance or speak with a qualified professional before making decisions.



