Sec. 2-135. Requisitions for supplies.[70]
All officers or department heads of the city, or other persons
in the employ of the city, entitled to and needing materials,
supplies, printing or other articles of merchandise or
equipment in the operation of their respective departments
and for the transaction of the business of the city shall make
requisition for the same to the city purchasing agent on such
forms and in such manner and at such time as the city purchasing
agent may prescribe. All such requisitions must be
approved by the city manager. (Code 1959, § 2-135.)