Overseas Community Affairs Council, Taiwan (R.O.C.) | 205 followers on LinkedIn. The Overseas Community Affairs Council (OCAC ) is a cabinet-level council of the Executive Yuan of the Republic of China ( Taiwan ). The Council was founded in October 1926 directly subordinate to the then Nationalist Government. In December 1931, the OCAC was placed under the Executive Yuan according to the newly enacted OCAC Organic Act, and officially established in April, 1932 .