Md. Const. art. XVI, § 6
No law, licensing, regulating, prohibiting, or submitting to local option, the manufacture or sale of malt or spirituous liquors, shall be referred or repealed under the provisions of this Article.
Acts 1914, c. 673, ratified Nov. 2, 1915; Acts 1977, c. 681, ratified Nov. 7, 1978.