Section 614.4920 - Purpose and scope(a)Purpose. This subpart implements the National Flood Insurance Act of 1968 and the Flood Disaster Protection Act of 1973, as amended (42 U.S.C. 4001-4129 ) .(b)Scope. This subpart, except for §§ 614.4940 and 614.4950 , applies to loans secured by buildings or mobile homes located or to be located in areas determined by the Administrator of the Federal Emergency Management Agency to have special flood hazards. Sections 614.4940 and 614.4950 apply to loans secured by buildings or mobile homes, regardless of location.