Ga. Unif. R. Mag. Ct. 31
Any officer or full-time employee of a corporation, sole proprietorship, partnership or unincorporated association may be designated by such entity as agent for purposes of representing it in civil actions to which it is a party in magistrate court. An action on behalf of a corporation, sole proprietorship, partnership, or unincorporated association, except affidavits in attachment, may be filed and presented by such designated agent.
Said individual claiming to represent one of the aforementioned entities as its agent shall file with the court a sworn affidavit or otherwise provide supporting documents sufficient to establish to the court that said individual is in fact a bona fide officer or full-time employee of the entity that is a party to the action.
Ga. Unif. R. Mag. Ct. 31