PROCEDURE FOR APPLICATION
Any person paying application fees to the Oklahoma State Bureau of Investigation by means of a nationally recognized credit card or by means of an electronic funds transfer shall be required to complete and submit his or her application through the online application process of the Bureau.
The processing fee shall not be refundable in the event of a denial of a handgun license or any suspension or revocation subsequent to the issuance of a license. Persons making application for a firearms instructor shall not be required to pay the application fee as provided in this section, but shall be required to pay the costs provided in paragraphs 6 and 8 of this subsection;
Okla. Stat. tit. 21, § 1290.12