“Financial guarantee” means a form of financial security posted to ensure timely and proper completion of improvements, compliance with this code or to warrant materials, workmanship of improvements and design and maintenance of same. Financial guarantees include assignments of funds, cash deposits, surety bonds and other forms of financial security acceptable to the Director. (Ord. 13-19 § 4; Ord. 53-02 § 2 (19A.04.150))