(A) The Fire Marshal shall investigate the cause, origin and circumstances of every fire occurring within this city by which property has been destroyed or damaged, and shall especially make investigation as to whether the fire was the result of carelessness or design.
(B) The investigation shall be made within 24 hours, not including Sunday of the occurrence of the fire.
(C) The Fire Marshal shall keep in his or her office a record of all fires, together with all facts, statistics and circumstances, including the origin of the fires and the amount of the loss, which may be determined by the investigation required by this subchapter.
(1981 Code, § 7.2)