General Statutes § 47a-14h (b) provides in relevant part: "The action shall be instituted by filing a complaint, under oath, with the clerk of the court. The complaint shall allege (1) the name of the tenant; (2) the name of the landlord; (3) the address of the premises; (4) the nature of the alleged violation of section 47a-7; and (5) the dates when rent is due under the rental agreement and the amount due on such dates. The complaint shall also allege that at least twenty-one days prior to the date on which the complaint is filed, the tenant made a complaint concerning the premises to the municipal agency, in the municipality where the premises are located, *598responsible for enforcement of the housing code or, if no housing code exists, of the public health code, or to the agency responsible for enforcement of the code or ordinance alleged to have been violated, or to another municipal agency which referred such complaint to the municipal agency responsible for enforcement of such code or ordinance. In the case of a mobile manufactured home located in a mobile manufactured home park, such complaint may be made to the commissioner of consumer protection. . . .”