Important:
This answer is based on tax law for the tax year ending 28 February 2020.
Answer:
The case is not complex and we understood your original facts exactly as you have now explained them. The double tax, in this instance, will arise on assessment and will arise in respect of the foreign sourced employment income only.
Our guidance was therefore on point and appropriate.
Refer to the current practice generally prevailing (issue 3 of IN18) for an example and explanation of how the rebate is calculated.