Originally Posted by
Dr. HFH
...Back when cheapest point of purchase was MRU, I bought several AONE4s which started at MRU and ended at JNB/CPT or vice versa. (Under the interpretation of the rules used by BA at MRU, you couldn't start and end at the same point. If you started at MRU, you could end at JNB or CPT. Start at JNB/CPT and you could end at MRU.) All included two transits of LHR, clearly not allowed by the rules.
...
Around 2007 I bought several rtw tickets from BA in Mauritius. I used to pick them up in person at the BA office (really a ticket agent) in Le Caudan shopping mall. All of them both started and ended in MRU, passing through JNB on the return.