(a) No purchase shall be made unless it can be paid for from nonobligated and unexpended funds from the current approved annual budget, unless specific City Council approval is given by budget revision or by formal motion to be incorporated in a subsequent budget revision.

(b) Upon adoption of the annual budget, the City Manager may (1) establish line item expenditures within an authorized department, fund, or project appropriation; and/or (2) transfer from one authorized department, fund, or project appropriation to another any amount not to annually exceed 10 percent of that department, fund, or project appropriation.

(c) No purchase shall be made unless prior authorization has been given on purchase requisitions in accordance with written administrative procedures approved by the Finance Director and City Manager.

(d) No purchase costing $3,000 or less shall be made unless approved by the division head, department head, and the Finance Director.

(e) No purchase costing more than $3,000 shall be made unless approved by the division head, department head, Finance Director, and the City Manager. [Code 1979 § 06.06.020.]