Requires the Indiana department of health (state department) to establish: (1) a statewide mobile retail food establishment license (license); (2) standards for the licensure, inspection, and operation of a mobile retail food establishment; and (3) license fees and inspection fees. Requires the state department to establish a workgroup to collaborate with in implementing specified provisions. Beginning January 1, 2027, requires a local health department to: (1) receive applications for licenses; (2) collect annual license and inspection fees; (3) issue licenses; and (4) conduct semiannual inspections of a mobile retail food establishment that is issued a license. Provides that an owner or operator of a mobile retail food establishment issued a license is not required to obtain a county or local license or permit, nor required to pay a county or local inspection fee or a license or permit fee. Provides that beginning January 1, 2027, a person may not operate a mobile retail food establishment in Indiana unless the person obtains a license. Requires the state department to adopt rules to implement these provisions. Repeals provisions of law governing mobile retail food establishment permits effective January 1, 2027.