Section 323.8 - Authority, purpose, and scope(a)Authority. This subpart is issued pursuant to 12 U.S.C. 1818 , 1819 ["Seventh" and "Tenth"] and Title XI of the Financial Institutions Reform, Recovery, and Enforcement Act (FIRREA), as amended by the Dodd-Frank Wall Street Reform and Consumer Protection Act (the Dodd-Frank Act) (Pub. L. 111-203 , 124 Stat. 1376 (2010)), 12 U.S.C. 3331 et seq.(b)Purpose. The purpose of this subpart is to implement sections 1109, 1117, 1121, and 1124 of FIRREA Title XI, 12 U.S.C. 3338 , 3346 , 3350 , and 3353 .(c)Scope. This subpart applies to States and to appraisal management companies (AMCs) providing appraisal management services in connection with consumer credit transactions secured by a consumer's principal dwelling or securitizations of those transactions.(d)Rule of construction. Nothing in this subpart should be construed to prevent a State from establishing requirements in addition to those in this subpart. In addition, nothing in this subpart should be construed to alter guidance in, and applicability of, the Interagency Appraisal and Evaluation Guidelines or other relevant agency guidance that cautions banks, bank holding companies, Federal savings associations, state savings association, and credit unions, as applicable, that each such entity is accountable for overseeing the activities of third-party service providers and ensuring that any services provided by a third party comply with applicable laws, regulations, and supervisory guidance applicable directly to the financial institution.