MA H539

Establishes March 21 as Massachusetts Child Nutrition Day through an annual gubernatorial proclamation

Requires food service management companies to ensure at least 50% of weekly school lunch entrées contain whole grains, vegetables, fruits, legumes, or other fiber-rich proteins

Limits ultra-processed entrée items to no more than 20% of weekly offerings; also restricts entrées exceeding 30 milligrams of cholesterol or 5% of calories from saturated fat

Mandates food service providers publish itemized nutrition data monthly to demonstrate compliance

Provides a three-year phase-in period from contract start date, with full compliance required no later than the 2033-2034 school year