Conn. Gen. Stat. § 7-100l

(1) “Digital parcel file” means a computer file or files containing a graphic vector representation of the boundary information originally depicted and maintained on a town assessor's maps, including, but not limited to, fee ownership, public and private rights of way, and easements, that are typically created in and maintained using a geographic information system or computer aided design software;

(2) “Assessor database” means the database of property assessment information maintained by the town assessor; it is also referred to as the tax list, property list, Computer Aided Mass Appraisal system, or Computer Aided Mass Appraisal database; and

(3) “Property” means a record in an assessor database.

(b) On or before May 1, 2019, and not less than annually thereafter, each town that possesses or contracts for services for the creation or maintenance of a digital parcel file shall transmit such file to the regional council of governments of which it is a member. If a town is not a member of a council of governments, such file shall be transmitted to the Secretary of the Office of Policy and Management. The digital parcel file shall include, but need not be limited to: (1) Any information from the assessor database that (A) uniquely identifies each property in the digital parcel file, (B) identifies the size of each property, (C) identifies the address of each property, (D) identifies the value of the land, buildings and other improvements for each property, and (E) identifies the year in which buildings were constructed for each property; and (2) any other information deemed necessary by the applicable regional council of governments.

(c) On or before July 1, 2019, and annually thereafter, each regional council of governments shall submit a report to the Secretary of the Office of Policy and Management and, in accordance with the provisions of section 11-4a , to the joint standing committee of the General Assembly having cognizance of matters relating to planning and development, that lists each town that (1) has failed to provide its digital parcel file, and (2) does not possess a digital parcel file.