17 CFR § 240.15Ba1-5 - Amendments to Form MA and Form MA-I.
(b) When amendment is required - Form MA-I. A registered municipal advisor shall promptly amend the information contained in Form MA-I (17 CFR 249.1310) by filing an amended Form MA-I whenever the information contained in the Form MA-I becomes inaccurate for any reason.
(d) Amendments to Form MA and Form MA-I are reports. Each amendment required to be filed under this section shall constitute a report within the meaning of sections 15B(c), 17(a), 18(a), 32(a) of the Act (15 U.S.C. 78o-4(c), 78q(a), 78r(a), 78ff(a)) and other applicable provisions of the Act.