All acts heretofore done requiring the use of the city seal, and all papers sealed with such city seal since its first adoption, are hereby declared to be due and legal acts and papers of such city, and the due and legal seal of such city, and all acts heretofore done, and all proceedings and all papers impressed with such city seal since that date are hereby validated and declared legal.
(Prior code § 1.12 (Ord. 224 §68))