Every year, the South African Revenue Service (SARS) updates its filing requirements, but the 2026 tax filing season sends a particularly clear message: staying compliant is no longer something you can afford to put off until the last minute. With tighter deadlines, broader use of SARS auto assessments, and administrative penalties that can add up quickly, taxpayers are expected to take greater responsibility for ensuring their tax affairs are accurate and up to date.

Whether you live in South Africa or abroad, understanding the latest SARS tax filing requirements can help you avoid unnecessary penalties and give you greater peace of mind.

Top three takeaways on SARS’ new tax filing requirements:

1. Know whether you need to file. Not everyone is required to submit a SARS tax return, but many taxpayers with multiple income sources, investments, foreign assets or capital gains still need to file.
2. Don’t ignore an auto assessment. Even if SARS issues an automatic assessment, it’s still your responsibility to review it and correct any missing or inaccurate information.
3. Meeting deadlines matters. Filing late could result in monthly penalties that continue for up to 35 months, making early preparation the smartest approach.

Read more: Not auto-assessed? What SA expats need to know about submitting their tax return.

What are the SARS tax filing deadlines for 2026?

For the 2026 year of assessment, SARS has confirmed the following filing deadlines:

• Non-provisional taxpayers: 23 October 2026
• Provisional taxpayers: 22 January 2027

These deadlines may seem comfortably far away, but the end of tax season has a habit of arriving sooner than expected. Leaving your return until the final weeks increases the chances of missing important documents, overlooking income, or making avoidable mistakes.

Late filing isn’t simply an inconvenience. SARS can impose administrative penalties ranging from R250 to R16,000 per month, depending on your taxable income from the previous year. These penalties can continue for up to 35 months, turning what could have been a straightforward tax return into an expensive problem.

Read more: SARS announces 2026 tax filing deadlines: what South African expats need to know.

Who needs to submit a SARS tax return?

One of the biggest misconceptions is that everyone automatically has to file a tax return each year. In reality, SARS sets out specific criteria to determine who must submit a return. Generally, you will need to file a South African tax return if you:

• Carried on a trade or operated a business
• Earned capital gains above R40,000
• Owned foreign assets with a total value exceeding R250,000
• Earned taxable income above the applicable tax threshold:
  – R95,750 if you’re under 65
  – R148,217 if you’re between 65 and 75
  – R165,689 if you’re 75 or older
• Are a non-resident who received South African-sourced income or realised capital gains in South Africa

These requirements mean that many South Africans working abroad may still have South African tax compliance obligations, even if they no longer live in the country.

Read more: Working abroad, taxed at home – why your South African tax residency still matters.

Who is exempt from filing?

Some taxpayers won’t need to submit a return. For example, you may be exempt if:

• Your only income is employment income from one employer.
• You earned less than R500,000 during the tax year.
• Your employer deducted PAYE correctly.
• You received no allowances, fringe benefits or additional sources of income.

However, these exemptions are fairly limited. If you have rental income, investments, multiple employers, foreign income, capital gains or wish to claim deductions, you’ll generally still need to file. When in doubt, it’s always worth confirming your filing obligations rather than assuming you’re exempt.

Understanding SARS auto assessments

One of the biggest developments in recent years has been the expansion of SARS auto assessments. Using information received directly from employers, banks, retirement funds, medical schemes and investment providers, SARS may automatically prepare your tax assessment without requiring you to complete a return from scratch.

While this makes tax filing easier for many people, it doesn’t remove your responsibility. Before accepting an auto assessment, you should carefully check that:

• All your income has been included
• Deductions are accurate
• Investment income has been reported correctly
• Foreign income and assets have been declared where required
• Your personal information is up to date

If something is incorrect or missing, you’ll need to update your return before the filing deadline. Ignoring an inaccurate assessment could result in additional tax, interest or penalties later on.

What South Africans living abroad should know about tax

For South Africans living overseas, SARS tax filing can be even more complicated. Many expats mistakenly believe that moving abroad automatically means they no longer have any obligations to SARS. Unfortunately, that’s not always the case. Your filing obligations depend on factors such as:

• Your South African tax residency status
• Whether you’ve formally ceased tax residency
• The type of income you receive
• Whether you still own South African assets
• Whether you earn South African-sourced income

Even if you’re considered a SARS non-resident, you may still need to submit a tax return in certain circumstances. Likewise, South Africans earning foreign income shouldn’t assume that overseas earnings never need to be disclosed to SARS. Your individual circumstances determine what must be reported.

Read more: Why should I submit SARS tax returns if I have ceased my tax residency?

Good tax compliance starts long before the deadline

One of the strongest messages coming from SARS is that tax compliance should be a year-round process, not a once-a-year rush. Simple habits can make filing season significantly less stressful:

1. Keep your supporting tax documents organised throughout the year.
2. Review your personal details regularly, including your RAV01 information.
3. Monitor investment statements and certificates as they become available.
4. Keep records of foreign income and assets where applicable.
5. Address discrepancies as soon as they’re identified instead of waiting until filing season.

Taking a proactive approach reduces the likelihood of costly mistakes and makes the filing process much smoother.

Read more: Emigration essentials – top tips from the experts for filing your final South African tax return.

FinGlobal: helping expats stay ahead of SARS tax obligations

Whether you’re living in South Africa or overseas, understanding your SARS tax return obligations is one of the best ways to avoid unnecessary penalties and protect your financial wellbeing.

If you’re unsure whether you need to file, have received an auto assessment you’re uncertain about, or need help with South African tax for expats, professional guidance can save you both time and money.

At FinGlobal, our cross-border tax specialists assist South Africans around the world with SARS tax filing, tax residency matters, tax emigration, retirement annuity withdrawals and international money transfers.

If you need help staying compliant while managing your finances across borders, get in touch with FinGlobal for trusted, personalised support.