(a) A person commits an offense if the person purports to act as an agent in applying for registration or in signing a registration application at a time when the person:
(1) is not an agent of the applicant under Section 13.003(a); and
(2) is not eligible for appointment under Section 13.003(b) as the agent of the person for whom the person purports to act.
(b) An offense under this section is a felony of the third degree.