That law requires the President to report to Congress each year on the progress in the fight against drugs and to certify that certain countries are cooperating fully in the drug interdiction efforts. If not certified. such countries are subject to a cutoff of foreign aid. My bill would permit a reduction in visas and a cutoff of air service and would require termination of Customs preclearance facilities for countries which are not certified in the future. My colleagues will recall that a lengthy debate took place on the Senate floor during April on the question of whether the Senate ought to disapprove the certification of three countries. Mexico.