Okla. Stat. tit. 75, § 75-315.1: Public hearings - Fees

No agency shall charge a fee to any person wishing to submit

evidence, views or arguments at any public hearing authorized by the

Oklahoma Administrative Procedures Act concerning rules,

regulations, licenses, permits, orders or any other proposed agency

action. Nothing in this act shall be construed to prohibit the

collection of any licensing or permit fees or other fees otherwise

prescribed by statute.