(a)     The board shall establish administrative claims procedures to be utilized in processing written requests ("claims"), on matters which affect the substantial rights of any person ("claimant"), including members, retirees, beneficiaries, or any person affected by a decision of the board.

(b)     The board shall have the power to subpoena and require the attendance of witnesses and the production of documents for discovery prior to and at any proceedings provided for in the board's claims procedures. The claimant may request in writing the issuance of subpoenas by the board. A reasonable fee may be charged for the issuance of any subpoenas not to exceed the fees set forth in Florida Statutes.