Section 6. Tax provisions that may be changed by ordinance. 
Be it further enacted, that the City Council may, by ordinance passed by majority vote, change the due date and delinquent date of all taxes, and may provide for the semiannual payment of taxes and a discount for the prompt payment thereof. (As amended by Priv. Acts 1995, ch. 55, sec. 2 and Priv. Acts 2014, ch. 55, sec. 1)