Within one hundred twenty (120) days after this Charter goes into effect and before local improvements can be acted upon, the Council shall enact suitable ordinance(s) governing local improvements and special assessments. The ordinance(s) shall provide a complete working code covering the determination of assessments and assessment districts, public hearings, appeals from a collection of assessments, penalties for delinquency in making payments, financing of said assessments, and the certifying of unpaid assessments for collection by the proper County officer. Said ordinance(s) shall also provide for installment payments and notices to be given thereof, appellate procedure, reassessment, if necessary, and all other matters appropriate to the subject of local improvements and assessments. After the adoption of such ordinance(s) providing for local improvements, all procedures in compliance therewith shall conform to the regulations as set forth in such ordinance(s) and as otherwise contained in this Charter.