There are a few local lads who operate Hot Air Baloons in and around the borders of RSA.Please check the local CAA website
www.caa.co.za and go to SA-CATS-OPS Part 102 and Part 149.
The Aero club of SA contact number + 27 11 805 2765 will probably be your best starting point with regards to getting your "bag filled"
Enjoy...............................the bear nessesities