(a) Until the association makes a common expense assessment, the declarant shall pay all common expenses. After an assessment has been made by the association, assessments must be made at least annually, based on a budget adopted at least annually by the association.
(b) Except for assessments under subsections (c), (d) and (e), all common expenses must be assessed against all the units in accordance with the allocations set forth in the declaration pursuant to section 2-107(a) and (b). Any past due common expense assessment or installment thereof bears interest at the rate established by the association not exceeding eighteen percent per year.
(c) To the extent required by the declaration:
(1) Any common expense associated with the maintenance, repair or replacement of a limited common element must be assessed against the units to which that limited common element is assigned, equally, or in any other proportion the declaration provides;