Best Tax Strategies for South Africans Working Overseas (Avoid Double Taxation)
South Africans working overseas can reduce tax legally by combining foreign income exemption (up to R1.25 million), foreign tax credits, and proper tax residency planning. The most effective strategy depends on income level, time spent abroad, and long-term plans — but failing to structure correctly can result in full taxation by SARS.
Why Tax Strategy Matters
If you are a South African working overseas:
- Tax residency may have ended – If a taxpayer no longer has a residence in South Africa and their sole residence is in another country with an established DTA with South Africa, it is highly likely that the taxpayer has ceased to be a tax resident. If a taxpayer’s family remains in South Africa while the taxpayer works in another country and periodically returns, they are likely to retain their tax residency in South Africa.
- SARS taxes your worldwide income – While tax resident, SARS holds secondary taxing rights over your foreign income. When income is earned in a foreign country, the primary taxing rights belong to that country, while South Africa may impose a secondary tax on the same income, reduced by foreign tax credits proven payable to the tax authorities in that country.
- Without planning – Foreign income could be subject to full taxation. Effective planning allows an individual to fulfil the daily requirements (183 full days and 60 consecutive days within a 12-month period) and, in some cases, meet the criteria to cease tax residency under a DTA, leading to full exemption of foreign income from South African taxes.
Key Risk: Given the complexity of the law, its frequent misinterpretation, and additional factors such as the necessity of acquiring foreign tax assessments, there is a significant risk of substantial amounts being owed to SARS, making case management independently or through an inexperienced tax practitioner increasingly challenging.
The 4 Core Tax Strategies Overview
- Assess if there is any relief by virtue of a Double Tax Agreement (DTA)
- If not, seek relief from the foreign income exemption
- Where income exceeds R1,250,000 during a tax year, seek further relief from foreign tax credits
- Seek other deductions such as a retirement annuity
- If an amount is still due to SARS, settle through provisional tax returns during the year the income is earned to save on penalties and interest
Strategy Comparison
Strategy | Complexity | Risk | Tax Saving Potential |
Exemption | High | High | High |
DTA | High | Low | High |
Tax credits | Extremely high | Very High | Very High |
Residency change | High | Low | Very High |
Strategy 1: Maximise the Foreign Income Exemption
How It Works
- Exempt foreign sourced employment income up to R1.25 million
- Allows the application of foreign tax credits under Section 6quat
- Strategise other deductions such as a retirement annuity
- For short-term contracts, align the start and end dates within a 12-month period to span across two tax years – leveraging the exemption across two South African tax years is an effective approach when the employment duration is anticipated to be approximately one year
Requirements:
- Plan to spend all 183 full days abroad while employed by either a South African employer or an employer in the other country
- Plan to meet the 60 consecutive days requirement in a 12-month period
- Prove that the relationship is that of an employer and employee — an employment contract should suffice, unless the taxpayer is referred to as a contractor
Practical Example
Item | Amount |
Income | R1,800,000 |
Exempt | R1,250,000 |
Taxable | R550,000 |
Taxes paid in foreign country | R500,000 |
Tax on R550,000 (tax tables 2027) | R132,727 |
Rebate | -R17,820 |
Foreign tax credits | -R114,907 (R550,000 / R1,800,000 × R500,000 = R152,778, limited to tax liability) |
SA tax charge | R0 |
Optimisation Tactics
- Plan travel to meet the 60-day rule
- Avoid short SA visits
- Count only complete days – departure and arrival dates do not satisfy the full day criterion and should be excluded when calculating either the 183-day threshold or the 60 consecutive days requirement
Common Failure Points
- Breaking the 60-day rule → full income taxable
- Confusion about when the first or next 12-month period begins, leading to failure in meeting either the 183-day rule or the 60-day continuous rule
- Failure to sufficiently substantiate the legitimacy of foreign taxes imposed in another country, which is a prerequisite for applying foreign tax credits
- Failure to file a return, assuming exempt income need not be declared
Strategy 2: Use Double Taxation Agreements (DTA)
What It Does
A Double Tax Agreement is a contract between two countries to ensure the same income is not taxed twice. Treaties usually consider someone a tax resident where their only home is located. A home can either be owned or rented. The situation becomes more complicated when someone has homes in more than one country. A taxpayer is also expected to follow the formality of informing SARS and obtaining a letter of confirmation.
Practical Example
A South African tax resident and his family sell their property in South Africa, place their personal effects in a container, and move into their leased home in England on 1 July 2026. The tax resident was granted a skills visa and is permitted to live and work in the UK for 5 years. Assume the taxpayer had no worldwide assets resulting in a deemed disposal.
- Earnings in South Africa (March 2026 to June 2026): R500,000
- Taxes paid in South Africa: R135,000
- Earnings in the UK: £200,000
- Exchange rate: 22.50
- Total UK income translated to ZAR: R4,500,000
- Taxes paid in UK: £60,000 = R1,350,000
SA Earnings | UK Earnings | Tax on Amount | Rebate | Refund |
R500,000 | R0 (ranks for full exemption) | R116,237 | -R5,956 (R17,820 × 122/365) | R110,281 |
Further notes:
- Taxpayer was resident for only part of the tax year
- SARS will apportion the rebate between the resident and non-resident periods
- Taxpayer is not required to have the ability to live in the UK permanently – the DTA only looks at where a person has a home available
- Should the taxpayer return to South Africa in future, they would again be considered a tax resident upon relocation
- If the taxpayer possessed any assets including shares, gold, or property located outside South Africa, they are regarded as having disposed of these assets at market value, incurring capital gains tax
- Any income earned from South African sources after the taxpayer leaves the country will still be subject to tax in South Africa
- Income sourced from South Africa after ceasing tax residency will be taxed under a post-residency tax number
- Any foreign sourced income ranks as exempt in South Africa but must still be declared as exempt income
- There is a 3-year waiting period before the taxpayer may withdraw from any retirement funds
- A non-resident taxpayer enjoys a full exemption on interest earned from a South African bank when not physically present for 183 days before the interest accrues
DTA Benefits
Benefit | Impact |
Deemed resident | Eliminates taxes on worldwide income. SA sourced income remains taxable in SA |
Clarity | Provides clarity as to which country possesses taxation authority |
Legal certainty | Reduces disputes |
Key Risks
- Misapplying DTA → could lead to double taxation
- Result in underpayment penalties
- Result in failure to file a return when one is due
- Result in SARS issuing an estimated assessment which goes undetected by the taxpayer
- Owing money to SARS when drawing from retirement funds
Strategy 3: Apply Foreign Tax Credits (Section 6quat)
If you paid taxes in the foreign jurisdiction:
- SARS should allow credits when calculating SA tax
- SARS requests evidence confirming that the taxes paid in the foreign jurisdiction represent a final tax liability imposed on the income
- SARS may allocate foreign tax credits proportionally to the reduction in income resulting from the Section 10 exemption
Example
Item | Amount |
Foreign income | R2,000,000 |
Exemption | R1,250,000 |
Foreign tax paid | R600,000 |
SA tax liability reduced by | (R750,000 / R2,000,000 × R600,000) = R225,000 |
When This Works Best
- High-tax countries
- Income above R1.25 million
Strategy 4: Tax Residency Planning (Advanced)
What It Means
Ceasing SA tax residency means:
- You no longer have a home available in South Africa
- You are no longer taxed on worldwide income
- You are only taxed on any South African sourced income
Requirements
- Check if South Africa has a DTA with the other country
- If a DTA exists, ensure your only home is located in the other country if no home exists in South Africa, the DTA deems you a tax resident of the other country
- If no DTA exists, await government to furnish you with permanent residence if acquired and if you intend to live in the other country permanently, an application could be lodged with SARS
- If a permanent home is available in both countries, consult a tax practitioner
Exit Tax – Critical
When ceasing residency:
- Capital Gains Tax is triggered, you are deemed to have disposed of your worldwide assets at market value, even if no actual disposal has occurred
- Any income sourced in South Africa remains taxable in SA
- SARS will award a taxpayer’s rebate proportionally based on the duration of tax residency during the tax year
- When an individual ceases to be a tax resident, they must inform the bank of their change in residency status, the discretionary allowance of R2 million will no longer be applicable
Exit Tax by Asset Type
Asset | Value | CGT Trigger |
Shares | R2,000,000 | Yes, capital gain is market value less base cost |
Fixed property in SA | R3,000,000 | No deemed disposal – CGT only if actually sold |
Fixed property in the UK | R5,000,000 | Yes, less base cost using exchange rates at time of purchase |
Motor vehicle, furniture, personal use items | R350,000 | No, personal use items excluded |
Cryptocurrency, gold, silver | R1,000,000 | Yes, capital gain is market value less base cost |
Shares in a private company | R4,000,000 | Yes, a valuation would need to be carried out |
Assets exempt from deemed disposal:
- Fixed property located in South Africa
- Personal use assets such as furniture, household goods, and motor vehicles
- Local currency and bank deposits
- Savings in a retirement fund such as a pension, provident, or retirement annuity fund
- Long-term insurance policies
Timing Strategies
Income Timing
- Split income across tax years. only viable for short-term employment contracts. Refrain from aligning the employment term with the South African tax year, as the exemption applies on a per tax year basis. If employment services are provided between August and July, the taxpayer may qualify for the exemption in both years, up to a maximum of R2,500,000
- Cashing in leave – an individual may choose to either expedite or postpone the redemption of leave, based on whether it will aid in achieving the R1,250,000 threshold within the current year or defer it to the following tax period
- Deferring or accelerating bonuses and share incentives is often cited but is nearly impossible given that an employer controls the vesting date . tax legislation also requires payments related to vested shares or bonuses to be distributed over the period during which the bonus is earned
Travel Timing
- Structure trips to preserve the 60-day rule – many taxpayers mistakenly equate the 12-month period with the tax year. A 12-month period typically does not align with the South African tax year, as employment commencement is determined by when the opportunity arises. It is therefore essential to clearly identify the start and end points of each 12-month period
High-Risk Scenarios to Avoid
Scenario | Risk |
Offshore rotations (28 days out / 28 days in SA) | Fails exemption – 60 consecutive days not met |
Offshore rotations with one trip to Mauritius instead of SA | Exemption successful for 60 consecutive days – going to Mauritius means being outside SA |
Remote work in SA | Fully taxable |
No records such as employment contracts or proof of travel | Fully taxable – SARS will disallow exemption |
Step-by-Step Tax Strategy Process
- Confirm tax residency
- Apply DTA by ceasing tax residency with SARS, or where not possible, claim exemption
- Evaluate income level if DTA does not apply
- Apply exemption if DTA does not apply
- Apply foreign tax credits if DTA does not apply
- If DTA does not apply, consider structuring in such a way as to meet DTA requirements
Decision Framework
Situation | Strategy |
Short-term overseas (12 months or less) | Exemption |
High income | Consult specialist – plan best course of action between DTA or exemption |
Long-term relocation | Cease tax residency if all criteria are met |
Real-World Scenario (Advanced)
An engineer commences employment in the UAE on 1 September 2026, with the role concluding on 31 August 2027.
The project duration is limited to one year, the engineer’s family stays in South Africa, and the engineer travels back every four months for a two-week period. The engineer fulfils both the 183-day and 60 consecutive-day requirements.
- Taxpayer remains SA tax resident – his family remains in SA where his real home is located
- Income: R3,000,000
- No tax in UAE
Result:
- The exemption applies across tax year 2027 and tax year 2028
- Income earned during tax year 2027 (September 2026 to February 2027): R1,500,000
- Income earned during tax year 2028 (March 2027 to August 2027): R1,500,000
- R1,250,000 exempt during tax year 2027
- R1,250,000 exempt during tax year 2028
- Balance of R250,000 fully taxable in SA for both years, unless SARS increases the exemption during tax year 2028
Cost of Poor Tax Strategy
Mistake | Cost |
Failing to inform SARS | R100k+. As far as SARS is concerned, taxpayer is a resident taxed on worldwide income |
Failed exemption | R100k+. Full tax liability plus SARS underpayment of provisional tax penalties and interest |
Believing DTA applies when it does not | R100k+. Full tax liability less exemption plus SARS underpayment penalties and interest |
In numerous instances, taxpayers erroneously assume that the existence of a DTA eliminates the obligation to pay taxes on income derived from foreign sources.
A DTA allocates taxing rights over global income, it does not eliminate them. If an individual maintains a residence in South Africa where their family resides, the DTA will probably not classify them as solely a tax resident of the other country.
Common Mistakes
Mistake | Impact | Fix |
Ignoring exemption rules | Full tax | Identify each 12-month period and use a checklist to ensure all requirements are fulfilled |
Not using DTA | Overpay tax | Once criteria are met, submit a formal application to SARS |
Poor planning | Overpay tax | Advance planning is crucial – the past cannot be altered |
Frequently Asked Questions
What is the best tax strategy for expats?
Expatriates should first assess their eligibility for relief under any applicable Double Taxation Agreement. If this does not apply, the taxpayer will retain their tax residency in South Africa and may be eligible for the Section 10(1)(o)(ii) exemption, allowing an exemption of up to R1,250,000. Furthermore, if taxes were paid in a foreign country, Section 6quat credits may be applicable to offset the final tax liability. Section 6quat credits necessitate the expertise of a seasoned tax professional and should never be undertaken by individuals lacking substantial experience in the field.
Can I avoid tax completely?
Only when meeting the criteria of a non-resident and only once SARS has formally accepted the taxpayer as non-resident.
Is the exemption enough?
It is common for individuals to surpass the exemption threshold, though they often incur tax obligations in the foreign country. In such circumstances, taxpayers may be eligible to claim a portion of the foreign taxes on their South African tax return under Section 6quat. It is advisable to seek assistance from a qualified tax practitioner.
Do I need a specialist?
Yes. In all cases where the foreign income exemption applies, a specialist is required. South African taxes are expensive and failing the exemption far outweighs the cost of engaging a tax practitioner experienced in the field.
What should I do if I have been working overseas for several years and have never declared my foreign income to SARS?
This is a high-risk situation that requires immediate attention. As a South African tax resident, you are legally obligated to declare worldwide income annually, regardless of whether taxes were paid in the foreign country.
SARS has access to financial data through international information-sharing agreements, and undisclosed foreign income is increasingly being detected. The longer the non-disclosure continues, the greater the exposure to penalties, interest, and potential criminal liability.
The most appropriate course of action is to approach a specialist tax practitioner urgently to assess the full extent of the exposure and determine whether a Voluntary Disclosure Programme (VDP) application is the correct route.
A VDP submitted before SARS opens an audit or investigation may result in a full or significant waiver of penalties, and from 1 March 2026, SARS will also waive backdated interest on approved VDP applications.