Contact the South Africa revenue service using the number +27 11 602 2093 to claim the tax on purchases during a visit to South Africa. This number is the international number for the SA revenue service and can be used to call them from outside the country, for example if calling from the United Kingdom.
South Africans residing in the UK can also use this number for assistance when paying taxes in South Africa. For example you can call this number if you are having difficulties logging on due to forgetting your e-filing password or username.