ITTIs use strong relationships and mechanisms between governments to promote a development agenda in Africa focused on identifying and implementing joint investment projects in partner countries. trade promotion; coordinate South Africa`s technical cooperation and assistance to support political and institutional development in partner countries; promote cross-border infrastructure development, in particular on the basis of the IDI methodology; promoting regional integration through the strengthening and consolidation of the Southern African Customs Union (SACU) and the Southern African Development Community (SADC) Free Trade Agreement; and the negotiation of investment protection and economic cooperation agreements. Canada assumed diplomatic relations with South Africa in 1939. In South Africa, Canada has a High Commission in Pretoria (accredited simultaneously to Lesotho, Madagascar, Mauritius and Namibia) and a trade office in Johannesburg. In Canada, South Africa has a High Commission in Ottawa, a Consulate General in Toronto and Honorary Consuls in Vancouver and Sudbury. Given that many African companies are SMEs wishing to trade with their regional neighbours compared to the rest of the world, Dr David Luke, coordinator of the African Trade Policy Centre (ATPC) at the United Nations Economic Commission for Africa (UNCA) estimates that the agreement will increase trade in Africa by 52 to 100%.