At least thirty (30) days prior to the beginning of each fiscal year, a budget for the municipality shall be prepared by the chief executive officer and submitted to the governing body. The chief executive officer may require any other officer or employee who is charged with the management or control of any department or office of the municipality to furnish estimates for the fiscal year covering estimated revenues and expenditures of the department or office on or before a date set by the chief executive officer. Laws 1979, c. 111, § 5.
Oklahoma Legal Code