An Act making appropriations for the fiscal year 2026 to provide for supplementing certain existing appropriations and for certain other activities and projects

This bill provides supplemental funding for Massachusetts state government operations and specific programs during fiscal year 2026. It allocates $100 million to the Executive Office for Administration and Finance as a reserve fund for responding to federal policy changes, and $30 million to the Housing Stabilization and Preservation Trust Fund. Key policy changes include expanding routine childhood immunization coverage to age 19, modifying how immunization funding recommendations are made, and allowing health plans to adjust copayments without commissioner votes. The bill affects state agencies, housing programs, public health initiatives, and healthcare providers participating in immunization programs.