Okla. Stat. tit. 69, § 69-306.1: Contracts - Price adjustment clauses

The provisions of any other law to the contrary notwithstanding,

the Department of Transportation is hereby authorized and empowered

to provide for the use of and inclusion in, its construction

contracts price adjustment clauses, providing adjustments in

contract bid prices as may be deemed necessary and appropriate by

the Director for increases or decreases of energy-intensive

materials based upon the price FOB source on the day of bidding and

actual invoice price FOB source on the day of delivery.

This authorization is to be applied only to such contracts as

may be determined by the Director and approved by the Transportation

Commission and further specified in the notice to bidders.