...The appellee, the Georgia State Board of Architects, determined that by preparing the plans appellant was engaged in the unregistered practice of architecture, and ordered him to cease and desist. Appellant petitioned for judicial review, but the superior court affirmed. We granted discretionary re*843view. Under OCGA § 43-4-17.1, appellee is authorized to issue a “cease and desist” order to any person whom appellee determines is violating OCGA § 43-4-17, and to impose a civil fine if the person violates the order to cease and desist....

...Lott Investment Corp. v. Gerbing, 242 Ga. 90, 92 (249 SE2d 561) (1978). 3. There is a rational relationship between the cost of a building and the stated purpose of § 43-4-14 “to safeguard life and property.” 4. Under the facts of this case, the application of § 43-4-17.1 to appellant does not violate constitutional and statutory prohibitions against retroactive laws. 5....