(a) At least 20 days prior to the Mayor’s submission of the annual budget to the Council, the Chairman of the Council shall transmit to the Mayor an estimate in detail of the amount of money required for the:
(1) Council;
(2) Office of the District of Columbia Auditor; and
(3) Office of the Advisory Neighborhood Commissions for the ensuing fiscal year.
(b) The Mayor shall transmit the same estimate required by subsection (a) of this section in his annual estimate of appropriations for the District of Columbia, with such recommendations as he may consider proper.