Prohibiting vaping in certain indoor areas and places of employment and certain mass transportation; requiring that certain signs be posted and maintained in a certain manner in certain indoor areas and certain public entrances; requiring the Maryland Department of Health to convene a workgroup to study the issuance of alcoholic beverages licenses to tobacconists and report its findings on or before July 1, 2025; and prohibiting a local alcoholic beverage license from being issued to a tobacconist from July 1, 2024, to July 1, 2026.