How self-managed super funds (SMSFs) are taxed, what is assessable income, and what are allowable deductions.

Self-managed super funds (SMSFs) must pay tax on their assessable income. The most common types of assessable income are:
A complying superannuation fund that follows the laws and rules for SMSFs qualifies for a concessional tax rate of 15%.
Non-complying funds and non-arm’s length income (NALI) are taxed at the highest marginal tax rate of 45%.
SMSFs can receive a tax exemption on investment income received from assets that support a retirement phase income stream. This income is exempt current pension income (ECPI).
Whether a contribution is assessable will depend on whether the contribution is concessional (has not yet been taxed) or non-concessional (already been taxed).
Concessional contributions made into your SMSF are included in its assessable income. These contributions are taxed in your SMSF at a concessional rate of 15%. The most common types of concessional contributions are:
Generally, non-concessional contributions made into your SMSF are not included in the fund’s assessable income.
The most common types of non-concessional contributions are:
Excess concessional contributions for the financial year which the member does not elect to remove from the super fund after we send them an excess contributions determination, will also count towards your member’s non-concessional contributions cap.
If a member’s non-concessional contributions exceed the cap, the member is personally liable for this tax and the fund must release an amount of money equal to the tax.
Non-concessional contributions do not include:
If your fund receives a super lump sum directly from a foreign super fund, your member may choose to have some or all of the assessable part of the lump sum treated as assessable income of your fund. To make a choice, the member must meet all of the conditions:
By making the choice, your fund pays tax – on the assessable part of the lump sum – at the concessional fund tax rate of 15%, rather than the member paying tax at their marginal rate.
Your member can make this choice:
This is the case unless the governing rules of your fund provide an earlier time.
If your member makes this choice, they must complete Completing your choice to have your Australian fund pay tax on a foreign super transfer (NAT 11724) and submit the approved form to you. Once the choice is made, it cannot be revoked or varied.
Your fund’s assessable income includes any net capital gains unless the asset is a segregated current pension asset.
Complying SMSFs are entitled to a capital gains tax (CGT) discount of one-third if the relevant asset had been owned for at least 12 months.
The SMSF will pay tax on net capital gains, which is calculated as:
A capital loss (for example, losses on the sale of commercial premises) is not an allowable deduction and is only able to be offset against capital gains. If capital losses are greater than capital gains in a financial year, they must be carried forward to be offset against future capital gains.
SMSFs must transact on an arm’s-length basis. This means the purchase and sale price of the fund’s assets should always reflect the true market value of the asset. The income from these assets should also reflect a market rate of return.
Where income is deemed to be NALI it is taxed at the highest marginal tax rate of 45%.
The fund has NALI if it has:
From 1 July 2018, a fund also has NALI if:
These expenses are classified as either:
When an SMSF incurs a:
Any NALI forms part of the non-arm’s length component (NALC) of the SMSF’s taxable income, which is taxed at the highest marginal tax rate.
However, the SMSF’s total NALC cannot exceed the SMSF’s assessable income minus deductions, excluding assessable contributions and deductions against them.
For more information on NALI, see:
A complying SMSF is allowed to deduct from its assessable income any losses or costs that are:
Losses and costs relating to exempt current pension income are generally not deductible because they are incurred in earning exempt income. If the fund has both accumulation and pension members, the expense may need to be apportioned to determine the amount that the fund can deduct.
If the fund is 100% in retirement phase, generally expenses shouldn’t be deducted as they will be incurred in gaining ECPI.
Expenses aren’t allowable deductions when they are incurred in gaining or producing:
SMSFs pay additional tax on mandated employer contributions if the member hasn’t quoted their tax file number (TFN). This is even if they are complying. The additional tax rate is:
A complying SMSF may be able to claim back the additional tax paid as a no-TFN tax offset in its SMSF annual return if its member has since provided their TFN.
You only have 3 years to claim the offset from the end of the financial year in which the additionally taxed contribution was made.
If you have debited the amount of additional tax from your member’s account and you claim the tax offset in a later year, you need to credit this money to their account.
Source: ATO
Reproduced with the permission of the Australian Tax Office. This article was originally published on https://www.ato.gov.au/individuals-and-families/super-for-individuals-and-families/self-managed-super-funds-smsf/smsf-administration-and-reporting/how-smsfs-are-taxed
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