The functions of the Secretary of Health, Education, and Welfare under the Federal Hazardous Substances Act [15 U.S.C. 1261 et seq.] and the Poison Prevention Packaging Act of 1970 [15 U.S.C. 1471 et seq.] are transferred to the Commission. The functions of the Secretary of Health, Education, and Welfare under the Federal Food, Drug, and Cosmetic Act [21 U.S.C. 301 et seq.], to the extent such functions relate to the administration and enforcement of the Poison Prevention Packaging Act of 1970, are transferred to the Commission.