Section 6.83 - Prepayment of fees(a) When FEMA estimates or determines that allowable charges that a requester may be required to pay are likely to exceed $250.00, FEMA may require a requester to make an advance payment of the entire fee before continuing to process the request.(b) When a requester has previously failed to pay a fee charged in a timely fashion (i.e., within 30 days of the date of the billing), FEMA may require the requester to pay the full amount owed plus any applicable interest as provided in § 6.85(d) , and to make an advance payment of the full amount of the estimated fee before the agency begins to process a new request or a pending request from that requester.(c) When FEMA acts under § 5.44 (a) or (b) , the administrative time limits prescribed in subsection (a)(6) of the FOIA (i.e., 10 working days from the receipt of initial requests and 20 working days from receipt of appeals from initial denial, plus permissible extensions of these time limits) will begin only after FEMA has received fee payments described under § 5.44 (a) or (b) .52 FR 13679, Apr. 24, 1987