A natural person municipal advisor shall be exempt from section 15B(a)(1)(B) of the Act (15 U.S.C. 78o-4(a)(1)(B)) if he or she:

(a) Is an associated person of an advisor that is registered with the Commission pursuant to section 15B(a)(2) of the Act (15 U.S.C. 78o-4(a)(2)) and the rules and regulations thereunder; and

(b) Engages in municipal advisory activities solely on behalf of a registered municipal advisor.