A bill to provide price support for milk for the period beginning on April 1, 1979, and ending on September 30, 1981, at not less than 90 percent of parity, and to extend through September 30, 1981, the authority of the Secretary of Agriculture to provide for quarterly adjustments in the support price for milk.

Amends the Agriculture Act of 1949 to set the price support for milk for the period beginning on April 1, 1979, and ending on September 30, 1981, at not less than 90 percent of parity. Extends through September 30 (currently, March 31), 1981, the authority of the Secretary of Agriculture to provide for quarterly adjustments in the support price for milk.