Creates the Single-Use Plastic Bag Reduction Act. Defines terms. Prohibits, starting July 1, 2026, a retail mercantile establishment from offering or making available a single-use checkout bag to consumers at the point of sale. Allows a retail mercantile establishment to offer a recycled paper bag or reusable bag to consumers. Requires a fee of at least $0.10 per recycled bag to be retained by the retail mercantile establishment. Exempts bags for certain governmental food assistance programs. Limits use of the fee with respect to credit card and other fees. Provides for educational material and signage. Provides for enforcement, including civil penalties. Limits home rule powers.