(a) Except as provided by this subsection, a state agency or local government may purchase goods or services directly from a vendor under a contract listed on a schedule developed under this subchapter. A state agency or local government contracting for the purchase of an automated information system under a contract listed on a schedule developed under this subchapter shall comply with Section 2157.068(e-1). A purchase authorized by this section satisfies any requirement of state law relating to competitive bids or proposals.
(b) The price listed for a good or service under a multiple award contract is a maximum price. An agency or local government may negotiate a lower price for goods or services under a contract listed on a schedule developed under this subchapter.