If you file for divorce in a country other than South Africa, you must register your divorce with Home Affairs. International or overseas divorce is....
https://www.martinvermaak.co.za/how-to-register-a-foreign-divorce-at-home-affairs/?fbclid=IwAR3sLvunKZYS12L5ZaZwlqXpY_UlBTdUg1SP7-WOs2brEnXdgXHGyQQPUqQ

In this article, we explain everything from the concept of Divorce, the types of Divorce, the reasons for Divorce, the service of the Divorce Summons,....
https://www.martinvermaak.co.za/the-divorce-process-in-south-africa/