Conn. Gen. Stat. § 29-303

The fire chief or local fire marshal with jurisdiction over a town, city, borough or fire district where a fire, explosion or other fire emergency occurs shall furnish the State Fire Marshal a report that shall include (1) all the facts relating to its cause, its origin, the kind, the estimated value and ownership of the property damaged or destroyed, and (2) such other information as called for by the State Fire Marshal on forms furnished by the State Fire Marshal, or in an electronic format prescribed by the State Fire Marshal. The fire chief or fire marshal may also submit reports regarding other significant fire department response to such fire or explosion, and such reports may be filed monthly but commencing January 1, 2008, such reports shall be filed not less than quarterly.