7 C.F.R. § 1.12
(o) Restrictions on charging fees.
(1) If a component fails to comply with the statutory time limits in which to respond to a request, as provided in § 1.6(b), and if unusual circumstances, as that term is defined by the FOIA, apply to the processing of the request, as discussed in § 1.6(d), it may not charge search fees for the processing of the request, or duplication fees for the processing of the request if the requester is classified as an educational institution requester, a noncommercial scientific institution requester, or a representative of the news media, as defined in appendix A of this subpart, unless:
(p) Waivers of chargeable fees.
(1) In general. Records responsive to a request will be furnished without charge or at a reduced rate below that established in Table 1 of appendix A of this subpart, where a component determines, based on available evidence, that the requester has demonstrated that:
(3) Factors for consideration of public interest. In deciding whether disclosure of the requested information is in the public interest because it is likely to contribute significantly to public understanding of the operations or activities of the government, components will consider all four of the following factors:
(4) Factors for consideration of commercial interest. In deciding whether disclosure of the requested information is in the requester's commercial interest, components will consider the following two factors: