Conn. Gen. Stat. § 43-16n: Persons permitted to obtain licenses.

The following persons shall not be required, but shall be permitted, to obtain a public weighmaster license: (1) A weights and measures officer when acting within the scope of such officer's official duties, (2) a person weighing property, produce, commodities or articles that such person, or such person's employer, if any, is either buying or selling, and (3) a person weighing property, produce, commodities or articles in conformity with the requirements of federal statutes or the laws of this state relative to warehousemen or processors.