Pursuant to the Truth In Lending Act (TILA) as amended by Dodd-Frank, lenders (and agents acting on behalf of lenders) must comply with prohibitions of valuation coercion and with other federal provisions, for certain transactions. The TILA language (Regulation Z, 1026.42) may be viewed on the cfpb.gov website:

Other entities, states, and agencies also include Appraiser Independence Requirements (AIR) in their lending and valuation requirements, that apply to the lender, its agent, and/or the appraiser.