A.   The adoption of these regulations shall not abate any action now pending under prior subdivision regulations or abate, modify, or alter any penalty accruing or about to accrue.
   B.   These regulations shall not waive any right of the city under any section or provision existing at the time of adoption, or vacate or annul any rights obtained by any person, firm or corporation by lawful action of the city except as expressly provided for herein. (2003 Code § 12-01-10)