Trade Names and Franchise Names. For purposes of this rule the term trade name shall include trade mark and service mark; and the term advertising shall include, but is not limited to, advertising done by others on behalf of the licensee.

• Any firm using a trade name or any franchisee in advertising specific real estate for sale in any media shall clearly and unmistakably include the firm’s name as registered with the Commission in a manner reasonably calculated to attract the attention of the public. The firm’s name shall appear adjacent to any specific real estate the firm advertises for sale so that the public may unmistakably identify the firm listing the specific real estate. In advertising real estate for sale, rent, or exchange, the name of the firm offering the real estate for sale, rent, or exchange shall appear in equal or greater size, prominence, and frequency than the name or names of any affiliated licensees or groups of licensees.
• Any firm using a trade name or any franchisee shall clearly include the firm’s name as registered with the Commission on any contracts or other documents relating to a real estate transaction.
• Any firm using a trade name or any franchisee shall clearly include the firm’s name as registered with the Commission on office signs.

https://rules.sos.ga.gov/GAC/520-1-.09?urlRedirected=yes&data=admin&lookingfor=520-1-.09