Maine Enacts Supplemental Appropriations Bill, Includes Tax Related Provisions

The Maine Governor signed a law making appropriations and allocations for fiscal year 2026 – 2027. The law includes: 1) updating reference to the Internal Revenue Code (IRC) to mean the IRC of 1986, as amended, as of Dec. 31, 2025; 2) providing an addition modification to federal adjusted gross income for domestic research and experimental expenditures for taxable years beginning on or after Jan. 1, 2025, and before Jan. 1, 2030; and 3) amending the individual income tax standard deduction for residents for certain tax years on or after Jan. 1, 2020. [L.D. 2212, enacted 04/10/26]