(a) On and after the operative date of the transactions and use tax ordinance pursuant to Article 8.5 (commencing with Section 98290) of this chapter, none of the provisions of this article shall be operative except this section and Section 98289.3.
(b) That portion of any property tax installment payable to the district is canceled if the installment may be paid without a delinquent penalty pursuant to Chapter 2.1 (commencing with Section 2700) of Part 5 of Division 1 of the Revenue and Taxation Code on or after the operative date of the transactions and use tax ordinance.