Except with respect to the functions assigned to the Secretary of the Interior pursuant to section 501 of the Federal Coal Mine Health and Safety Act of 1969 [
30 U.S.C.
951], the functions of the Secretary of the Interior under the Federal Coal Mine Health and Safety Act of 1969, as amended [
30 U.S.C.
801 et seq.], and the Federal Metal and Nonmetallic Mine Safety Act [
30 U.S.C.
721 et seq.] are transferred to the Secretary of Labor, except those which are expressly transferred to the Commission by this Act. Effective on the date of enactment of this Act, Health and Safety Academy is transferred to the Secretary of Labor.