The Department's manual and other policy issuances which affect the public are available in the State Office and in each local and district office for examination on regular workdays during regular office hours by individuals, upon request for review, study or reproduction by the individual. Upon request, the specific policy materials necessary for an applicant or recipient, or his representative, to determine whether a hearing should be requested or to prepare for a hearing, are available without charge.
Okla. Admin. Code § 612:1-15-2