Passage: Eswatini, Lesotho, Botswana, Namibia, and the Republic of South Africa form the Southern African Customs Union (SACU), where import duties apply uniformly to member countries. Eswatini, Lesotho, Namibia, and South Africa also are members of the Common Monetary Area (CMA) in which repatriation and unrestricted funds are permitted. Eswatini issues its own currency, the lilangeni (plural: emalangeni), which is at par with the South African rand.

Question: What does the acronym SACU stand for?
Southern African Customs Union