Provides that the charge to a household for its food stamp allotment under the Food Stamp Act of 1964 shall not exceed the lesser of (1) the level established as of January 1, 1975, or (2) 25 percent of the household's income. Provide that effective July 1, 1975, households in which all members receive supplemental security income benefits under the Aid to the Aged, Blind, or Disabled program of the Social Security Act, or households in which all members are included in a federally aided public assistance or general assistance grant shall be certified for participation in the food stamp program under this Act. States that certification of all other households shall be based on the uniform national standards for eligibility required to be established under this Act.