; (2) that assesses what metrics might provide insurance companies assurance that a community has wildfire resilience measures; and (3) how to incentivize insurance companies to accept the certification. 6. Updating list of at-risk communities (a) In general Section 101(1)(A) of the Healthy Forests Restoration Act of 2003 ( 16 U.S.C. 6511(1)(A) ) is amended by striking comprised of in the matter preceding clause (i) and all that follows through a group in clause (ii) and inserting comprised of a group . (b) Maps Not later than 180 days after the date of enactment of this Act, and every 5 years thereafter, the Chief shall develop and publish a map depicting at-risk communities (as defined in section 101 of the Healthy Forests Restoration Act of 2003 ( 16 U.S.C. 6511 )), including Tribal at-risk communities. 7. Report on radio communications (a) In general Not later than 2 years after the date of enactment of this Act, the Administrator shall prepare a report relating to insufficient radio frequencies, barriers to interoperability of radio frequencies, and available products and technologies for overcoming barriers to interoperability for wildland fire management. (b) Cooperation In preparing the report under subsection (a), the Administrator shall cooperate with— (1) the Secretary of Agriculture; (2) agencies responsible for the management of Federal land; (3) State fire and emergency response agencies; and (4) municipal fire departments and volunteer fire departments in relevant communities. (c) Compatibility; additional frequencies The report under subsection (a) shall include— (1) a determination on whether the organizations identified in the report have an existing ability to communicate by way of radio during a potential fire suppression effort for a large fire; (2) a determination on whether— (A) the reserved radio frequencies are sufficient for wildland fire management; or (B) additional frequencies, listed by type and location, are recommended to be reserved or obtained