Each licensed and certified appraiser shall be assigned a license or certificate number by the Commission. On each document which refers, directly or indirectly, to the licensed or certified status of an appraiser, the appraiser shall indicate the appraiser's classification and shall list the license or certificate number which has been assigned to the appraiser. Business Occupations and Professions Article, §§15.5-216 and 15.5-513, Annotated Code of Maryland Effective date: March 1, 1993 (20:4 Md. R. 371)