designed to prevent and detect waste, fraud, and abuse, the Inspector General shall review programs of grantees under this section for providing disaster relief and recovery assistance to ensure such programs fulfill their agreed-upon purposes and serve all eligible applicants for disaster relief or recovery assistance. (m) Best practices (1) Study The Secretary shall direct the Office Community Planning and Development to collaborate with the Office of Policy Development and Research to identify best practices for grantees on issues including developing the action plan under subsection (c) and substantive amendments, establishing financial controls, building grantee technical and administrative capacity, procurement, compliance with Fair Housing Act statute and regulations, and use of grant funds as local match for other sources of Federal funding. The Secretary shall publish a compilation of such identified best practices and share with all relevant grantees to facilitate a more efficient and effective disaster recovery process. The compilation shall include guidelines for housing and economic revitalization programs, including mitigation, with sufficient model language on program design for grantees to incorporate into action plans. The compilation shall include standards for at least form of application, determining unmet need, and income eligibility. (2) Promulgation After publication of the final compilation, the Secretary shall issue either Federal regulations, as part of the final rule for the above authorization or as a separate rule, or a Federal Register notice that establishes the requirements which grantees must follow in order to qualify for expedited review and approval. Such guidance shall establish standard language for inclusion in action plans under subsection (c) and for establishing standardized programs and activities recognized by the Secretary. Use of best practices shall not preclude grantees from standard requirements for public comment, community engagement, and online posting of the