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The Hazardous Substances Labeling Act (HSLA) authorized the Department of Health, Education, and Welfare (HEW) to require labeling on packaged household substances that were toxic, corrosive, flammable, irritating, strongly sensitizing, or pressure-generating. Such substances had not been covered by previous legislation, including the 1938 Food, Drug, and Cosmetic Act and its amendments and the 1947 Insecticide, Fungicide, and Rodenticide Act. The HSLA was the first legislation in a decade-long push to regulate consumer protection that included, in 1966, major amendments to the act itself. These amendments drastically expanded the scope of the HSLA and changed its name to the Hazardous Substances Act.