The materiel division of the Department of Administrative Services shall:
(1) Establish by rules and regulations a process for resolving complaints from both vendors and state agencies;
(2) Maintain a record and written justification of purchases as follows:
(a) A list of and explanation for emergency purchases;
(b) A list of open market purchases made by the division; and
(c) A list of all purchases waived from the minimum time period requirement between bid advertisement and bid opening; and
(3) Have the authority to enter into joint purchasing agreements with political subdivisions in the state.