The three doors of section 11F(3)
What Excess Retirement Fund Contributions Are Actually Worth
Introduction
Many taxpayers contribute more to retirement funds than they may deduct in the year. The unused amount is carried forward and can grow into a substantial balance. The practical question is not merely whether that balance can be used, but how it should be used to obtain the greatest tax value.
The balance is a personal tax attribute which cannot simply be cashed in. It can leave only through one of the three doors in section 11F(3), and the tax saved depends entirely on which door it exits through.
What Section 11F(3) Carries Forward
Section 11F permits a natural person to deduct contributions to pension, provident and retirement annuity funds. Broadly, the annual deduction is limited to 27,5% of the higher of remuneration or taxable income, subject to an annual monetary cap of R350 000[1]. It is also limited by taxable income and cannot create or increase an assessed loss.
A contribution which was disallowed solely because it exceeded these limits becomes an unused excess contribution. Section 11F(3) treats this unused excess contribution as a contribution in each later year until it has been used. There is no statutory expiry date or separate lifetime cap. The balance of the unused excess contributions is reduced only when it has been deducted against income, applied against a lump sum, or used to exempt qualifying annuity income.
The balance belongs to the taxpayer, not to a particular fund. A person with several retirement annuities has one combined balance. Contributions that were disallowed for a reason other than the annual limits, including certain older contributions, require separate treatment.
Door One: A Later Deduction Against Income
The carried-forward unused excess contributions are added to contributions made in the current year and the ordinary section 11F limits are applied to the total. If new contributions already use the annual allowance, there is no room for the older balance to be used. Reducing or stopping fresh contributions may create room, but that decision must also take account of the fund rules, investment objectives and any contractual premiums.
Where there is room, the deduction reduces taxable income at the taxpayer's marginal rate, which may be as high as 45%. This can be a valuable door for a taxpayer who continues to earn substantial income. Its disadvantage is speed: the annual limits (annual cap) may cause a large balance of unused excess contributions to take several years to reduce.
Door Two: Reducing a Lump Sum
Paragraph 5 of the Second Schedule allows unused contributions to reduce a lump sum arising on retirement or death. Paragraph 6 performs the same function for a withdrawal, resignation or winding-up benefit. The deduction is made before the relevant lump-sum tax table is applied. Lump-sum rates are cumulative and, under the current tables, range from nil to 36%.
The trap lies in the tax-free band. If the lump sum would already have attracted no tax, applying unused contributions produces no tax saving, but the amount applied is nevertheless consumed. The deduction forms part of the statutory calculation. The member cannot take the lump sum and preserve the same balance for later use. Even where the top lump-sum rate applies, the relief is limited to 36%, below the 45% potentially available through Doors One and Three.
Door Three: Exempting Annuity Income
Section 10C exempts qualifying annuity income, including income from a living annuity, up to the remaining unused balance. The exemption is applied each year, and the balance is reduced by the amount exempted. It is therefore limited by the annuity actually payable in that year.
The saving is the tax that would otherwise have applied to the annuity. It can reach 45% where the taxpayer has other income placing the annuity in the top bracket. If the annuity is the taxpayer's only income, the effective saving may be much lower because the tax threshold and rebates would already shelter part of that income. A large balance may also take years to use, which introduces a longevity risk.
The Three Doors at a Glance
The three routes are not a free election. Where a lump sum is taken at retirement, paragraph 5 generally applies to the commutation first. Section 10C then applies to the annuity, and only the remaining balance continues to roll forward under section 11F(3).
The practical difference between the three doors may be summarised as follows:
| Door | Provision | Applied against | Likely tax value |
| One | Section 11F(3) read with section 11F(2) | Taxable income in a later year | Marginal rate, up to 45%; annual cap applies |
| Two | Paragraph 5 or 6 of the Second Schedule | Retirement, death or withdrawal lump sum | Lump-sum rate, from nil to 36% |
| Three | Section 10C | Qualifying annuity income, including a living annuity | Marginal rate, up to 45%; limited to annuity paid |
What Happens on Death?
Unused excess contributions are personal to the member. They are not an asset which can be bequeathed or transferred to a spouse or other beneficiary. Their treatment on death depends on whether the fund benefit is paid as a lump sum or used to provide an annuity.
A death lump sum is deemed to accrue to the member immediately before death, and paragraph 5 may use the remaining balance to reduce its taxable portion. The balance is therefore not always lost on death. If the dependants or nominees elect an annuity, however, no lump sum is deemed to accrue to the extent used to provide that annuity. The deceased's unused balance cannot shelter the beneficiary's annuity under section 10C and, to that extent, it falls away.
There is also an estate duty consequence. Section 3(3)(e) of the Estate Duty Act treats post-1 March 2016 contributions used as a paragraph 5 deduction against a death lump sum as deemed property of the deceased. That amount may therefore attract estate duty at 20% or 25%, subject to the available abatements and deductions. In the worst case, the deduction may save no income tax because the death lump sum was already within the tax-free band, yet still increase the estate duty calculation. The actual result depends on the size and shape of the estate and must be modelled on the facts.
Practical Planning
The first step is to confirm and reconcile the carried-forward balance of unused excess contributions reflected by SARS. Where several funds are held, the balance and all retirement decisions must be considered together rather than fund by fund.
The modelling should compare the taxpayer's remaining earning years, current contributions and marginal rates; all earlier lump sums; the vested, retirement and savings components; the permissible commutation and intended annuity level; age and life expectancy; and the estate duty and beneficiary position. The timing of retirement from separate funds may materially affect how quickly, and at what rate, the balance is used.
Lifetime use will often be preferable, particularly where relief can be obtained at a high marginal rate. It does not follow that every taxpayer should avoid a lump sum or maximise annuity drawings. Liquidity, investment risk, longevity and estate objectives remain important. The calculation should be completed before any retirement, commutation, drawdown or beneficiary election becomes irreversible.
Conclusion
Section 11F(3) looks like a simple carry-forward rule, but it is better understood as a choice about the rate and timing of tax relief. The same unused contribution may be worth up to 45 cents in the rand against income or an annuity, no more than 36 cents against a lump sum, nothing within a tax-free band, or may fall away on death. A properly modelled plan is therefore essential before the balance is used through the wrong door.
