(a) The agency, at any time, may require a developer to alter or supplement the form or substance of a public offering statement to assure adequate and accurate disclosure to prospective purchasers.
(b) The public offering statement may not be used for any promotional purposes before registration and afterwards only if it is used in its entirety. No person may advertise or represent that the agency has approved or recommended the time-share program, the disclosure statement or any of the documents contained in the application for registration.