South Africa finally relinquished control of (then) South West Africa a few weeks after Mukurob collapsed on the night of 7 December 1988, when South Africa, Angola and Cuba signed the "New York Treaty" (or "Tripartite Agreement") at UN Headquarters, which finalised the agreements reached earlier in Geneva.
South Africa relinquished control over (then) South West Africa shortly after Mukurob collapsed on December 7, 1988. The countries of South Africa, Angola, and Cuba signed a treaty at UN Headquarters to formalize earlier agreements reached in Geneva.