Exemption.

Unless specific reference is made thereto, no provision of this subtitle shall include or apply to domestic societies which limit their membership to the employees of: 1. A particular city or 2. A designated firm, business house, or corporation. [C24, 27, 31, 35, 39, § 8894; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §513.1 ]