36 C.F.R. § 1600.10
(b) Definitions. For purposes of this section:
(c) Fees. In responding to FOIA requests, the Foundation will charge the following fees unless a waiver or reduction of fees has been granted under paragraph (i) of this section:
(4) Searches and reviews—amounts of fees.
(d) Limitations on charging fees.
(h) Advance payments.
(i) Requirements for waiver or reduction of fees.
(1) Records responsive to a request will be furnished without charge or at a charge reduced below that established under paragraph (c) of this section where the Foundation determines, based on all available information, that the requester has demonstrated that: