New Britain, Conn., Code of Ordinances ch. 13 § 13-90

(a) Applicability of article provisions. The provisions of this section shall apply to the rental of any off-campus dwelling or unit by students enrolled in a college or university located within the City of New Britain.
(b) Definitions. The following words, terms and phrases, when used in this article, shall have the meanings ascribed to them in this section, except where the context clearly indicates a different meaning:
Rental dwelling means any enclosed space for residential purposes which is wholly or partly used or intended to be used for student occupants who are paying rent therefor.
Rental unit means any room or group of rooms located within a rental dwelling and forming a single habitable unit for living and sleeping by student occupants who are paying rent therefor.
(c) Registration.
(1) Required. No rental/dwelling unit shall be let, leased, or otherwise permitted to be occupied, in whole or in part, by students for residential and/or dwelling purposes unless and until the owner of record has registered such property with the city department of licenses, permits and inspections. A copy of each registration will be forwarded to the applicable college or university where the students are enrolled. The registration fee shall be twenty dollars ($20.00) per household rental dwelling unit.
(2) Form. The rental registration form shall indicate the tax assessor's plat and lot number, address of the rental dwelling/unit, the number of rental dwelling/units therein, the name and permanent mailing address of the record owner, the term of occupancy by the students, and the names and permanent legal addresses of each student.
(3) Filing date; term. On or before December 31 of each year, the record owner of the rental dwelling/unit shall file the completed rental registration form with the department of permits, licenses and inspections, which registration shall be valid for a one-year period from January 1 to December 31 of the following year. If the property is registered during the calendar year, the registration shall be valid until December 31 of that same year.
(d) [Off-campus dwelling.] In the event students of a local college or university lease, rent or otherwise occupy any off-campus dwelling or unit, the college or university as the case may be shall verify that the students are enrolled therein and the rental dwelling/unit shall be listed on its approved list of acceptable housing submitted by the City of New Britain.
(e) [Code requirements to be met.] All properties used for such purpose must meet all city, state and federal requirements concerning building, fire and health codes.
(f) [Number of students per dwelling unit.] Maximum number of students per dwelling unit is determined by the number of bedrooms and corresponding off-street parking spaces per unit, e.g., three (3) bedrooms = three (3) spaces. In addition, an unrelated group not to exceed three (3) students may occupy a single dwelling unit but only if an unrelated group permit has been issued by the department of licenses, permits and inspections.
(g) Penalty for violation of section. Record owners who violate the provisions of this section shall be subject to a fine of not more than one hundred dollars ($100.00).