The provisions of this chapter are adopted in accordance with the provisions of Sections 54201 through 54205 of the Government Code of the state. Except as otherwise provided in this chapter, the provisions of this chapter shall not cover the expenditure of funds for public projects which are covered by the provisions of the Public Contract Code of the state, or the procurement of reimbursement of travel expenses, "per diem" expenses or related expenses as may be treated by other ordinances or resolution. (Ord. 429 §1 (Exh. 1), 1999).