The purpose of the Appointment of Requisition Officers form is to designate purchasing officers for specific county departments and to set limits on encumbrances.
19 O.S. § 1501(A)(4)

Two officers may be appointed for each department.

The written designation of the county employees shall be filed with the county clerk and shall be entered in the minutes of the board of county commissioners.
This form is used annually by the board of county commissioners to make appointments or whenever it becomes necessary.

The information comes from the recommendation of the department and from the commissioners working with the county clerk.

Figure 1. Appointment of Requisition Numbers