; (ii) the portion of the covered community that lies within an area having special flood hazards; and (iii) any other factor that makes it difficult for the covered community to conduct mitigation activities for flood-prone structures. (6) Reports to Congress Not later than 6 years after the date of enactment of this subsection, and not less frequently than once every 2 years thereafter, the Administrator shall submit to Congress a report regarding the progress made by covered communities with respect to implementing plans developed under paragraph (2)(C), including any updates to those plans. . (b) Regulations Not later than 1 year after the date of enactment of this Act, the Administrator of the Federal Emergency Management Agency shall issue regulations necessary to carry out subsection (e) of section 1361 of the National Flood Insurance Act of 1968 ( 42 U.S.C. 4102 ), as added by subsection (a) of this section.