Prior to placing an assignment with an appraiser on the appraiser panel of an AMC, the AMC shall verify that the appraiser receiving the assignment holds a credential in good standing in this state pursuant to the Oklahoma Certified Real Estate Appraisers Act and the rules promulgated thereunder if a license or certification is required to perform such appraisal. Letters of engagement shall include instructions to the appraiser to decline the assignment in the event the appraiser is not geographically competent or the assignment falls outside the appraiser's scope of practice restrictions as established by the Board rules.