Okla. Stat. tit. 63, § 63-684.10

ARTICLE IX

Reimbursement

Any party state rendering aid in another state pursuant to this

compact shall be reimbursed by the party state receiving such aid

for any loss or damage to or expense incurred in the operation of

any equipment and the provision of any service in answering a

request for aid and for the costs incurred in connection with such

requests; provided, that any aiding party state may assume in whole

or in part such loss, damage, expense, or other cost, or may loan

such equipment or donate such services to the receiving party state

without charge or cost; and provided further, that any two or more

party states may enter into supplementary agreements establishing a

different allocation of costs among those states. Article VIII

expenses shall not be reimbursable under this article.

Oklahoma Statutes - Title 63. Public Health and Safety Page 1245