(a) If, at a meeting of a governmental body, a member of the public or of the governmental body inquires about a subject for which notice has not been given as required by this subchapter, the notice provisions of this subchapter do not apply to:
(1) a statement of specific factual information given in response to the inquiry; or
(2) a recitation of existing policy in response to the inquiry.
(b) Any deliberation of or decision about the subject of the inquiry shall be limited to a proposal to place the subject on the agenda for a subsequent meeting.