Md. Code Ann., Transp. § 22-401.1
A vehicle from which ice cream products and similar products are sold may be equipped with, and the driver of the vehicle may use, a bell not exceeding 3 1/2 inches in diameter, or a set of bells, provided that no bell or set of bells may be:
Added by Acts 1977, c. 14, § 2, eff. July 1, 1977.
Formerly Art. 66 ½, § 12-401.1.