Altering a subtraction modification under the Maryland income tax for unreimbursed expenses paid or incurred by eligible teachers during a taxable year for the purchase of certain classroom supplies to include prekindergarten classroom teachers employed in publicly funded prekindergarten programs at eligible public providers or lead teachers or consulting teachers employed in a publicly funded prekindergarten program at an eligible private provider in the State; and applying the Act to all taxable years beginning after December 31, 2025.