Md. Code Regs. 15.04.02.10
Authorized insignia users may use the old or new insignia until January 1, 1976, unless otherwise suspended or revoked. After January, 1976, only the new insignia as reproduced below shall be used:
Authority: Agriculture Article, §4-306, Annotated Code of Maryland
Effective date: July 1, 1973
Regulation .10 adopted effective December 2, 1977 (4:25 Md. R. 1915)