To fill in this form you will need to know:
When and where you are getting married.The ID numbers of your two witnesses over 21 years of age.
Your ID numbers.
When I marry you you will need to bring:
Copies of your IDs.
Copies of your witnesses IDs.
A copy of your final order of divorce (if you are divorced).
A copy of the death certificate of your spouse (if you are a widow / widower).
A covering letter from your lawyers with regards to marriage in / out of community etc.
3 ID photographs each.
If you are not a South African citizen you will need to phone Home Affairs in South Africa and make an appointment for an interview for the purpose of getting married; I recommend the Home Affairs office in Paarl - +27 (0)21 870 4400 / +27 (0)21 872 424.
You can fill in the form directly over here: https://docs.google.com/forms/d/1Q9iQhsbJ46wovLfondN36BpozL7mG7J8W0iqkfmgNOM/edit#
Please also see: http://www.home-affairs.gov.za/index.php/marriage-certificates
