Q) Do I have to be a resident of the country that I buy the domain for?
A) No. There are no restrictions or rules when registering these domains.

Q) What is the difference between domains?
A) There isnt really any difference aside from the name and slight price variation.

Q) Why are different domains such as co.za used then?
A) It is simply an easy way of signifying information related to your organisation such as the geographic location, type of organisation etc...

Q) Does the domain have to be hosted in the same country that it represents?
A) No. A domain can be hosted anywhere.