Bill Clinton

“ In light of the political crisis in Nigeria, I have determined that it is in the interests of the United States to restrict the entrance into the United States as immigrants and nonimmigrants of certain Nigerian nationals who formulate, implement, or benefit from policies that impede Nigeria's transition to democracy, and the immediate families of such persons. ”

“ Sec. 5. The Secretary of State shall have responsibility to implement this proclamation pursuant to procedures the Secretary may establish.
Sec. 6. This proclamation is effective immediately and shall remain in effect until such time as the Secretary of State determines that it is no longer necessary and should be terminated. ”