12 USC 3351 - Miscellaneous provisions

(a) Temporary practice 

(1) In general 
A State appraiser certifying or licensing agency shall recognize on a temporary basis the certification or license of an appraiser issued by another State if
(A) the property to be appraised is part of a federally related transaction,
(B) the appraisers business is of a temporary nature, and

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(C) the appraiser registers with the appraiser certifying or licensing agency in the State of temporary practice.
(2) Fees for temporary practice 
A State appraiser certifying or licensing agency shall not impose excessive fees or burdensome requirements, as determined by the Appraisal Subcommittee, for temporary practice under this subsection.
(b) Reciprocity 
The Appraisal Subcommittee shall encourage the States to develop reciprocity agreements that readily authorize appraisers who are licensed or certified in one State (and who are in good standing with their State appraiser certifying or licensing agency) to perform appraisals in other States.
(c) Supplemental funding 
Funds available to the Federal financial institutions regulatory agencies may be made available to the Federal Financial Institutions Examination Council to support the councils[1] functions under this chapter.
(d) Prohibition against discrimination 
Criteria established by the Federal financial institutions regulatory agencies, the Federal National Mortgage Association, the Federal Home Loan Mortgage Corporation, and the Resolution Trust Corporation for appraiser qualifications in addition to State certification or licensing shall not exclude a certified or licensed appraiser for consideration for an assignment solely by virtue of membership or lack of membership in any particular appraisal organization.
(e) Other requirements 
A corporation, partnership, or other business entity may provide appraisal services in connection with federally related transactions if such appraisal is prepared by individuals certified or licensed in accordance with the requirements of this chapter. An individual who is not a State certified or licensed appraiser may assist in the preparation of an appraisal if
(1) the assistant is under the direct supervision of a licensed or certified individual; and
(2) the final appraisal document is approved and signed by an individual who is certified or licensed.
(f) Studies 

(1) Study 
The Appraisal Subcommittee shall

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(A) conduct a study to determine whether real estate sales and financing information and data that is available to real estate appraisers in the States is sufficient to permit appraisers to properly estimate the values of properties in connection with federally related transactions; and
(B) study the feasibility and desirability of extending the provisions of this chapter to the function of personal property appraising and to personal property appraisers in connection with Federal financial and public policy interests.
(2) Report 
The Appraisal Subcommittee shall
(A) report its findings to the Congress with respect to the study described in paragraph (1)(A) no later than 12 months after August 9, 1989, and
(B) report its findings with respect to the study described in paragraph (1)(B) to Congress not later than 18 months after August 9, 1989.
[1] So in original. Probably should be capitalized.