to the notification of assistance it becomes necessary to rely on notwithstanding authority, the Committees on Appropriations should be informed at the earliest opportunity and to the extent practicable. Department of state Migration and refugee assistance For necessary expenses not otherwise provided for, to enable the Secretary of State to carry out the provisions of section 2(a) and (b) of the Migration and Refugee Assistance Act of 1962, and other activities to meet refugee and migration needs