(a) Current copies of agency program manuals and other public issuance shall be made available upon request without charge to custodians, such as public or private libraries or research centers, which are centrally located and readily accessible to a substantial number of the recipient population and who agree to accept responsibility for filing all amendments to such program manuals or public issuances transmitted by the agency.

(b) Upon request, specific policy material shall be made available for an applicant, recipient or his representative to determine whether a fair hearing should be requested or to prepare for a fair hearing.

(c) A reasonable charge related to cost may be made to an applicant, recipient or representative for materials requested for purposes other than those specified in subdivision (b) of this section or to a group other than one specified in this Part.