15 CFR §904.304

1. (a)Except as provided in paragraph (b) of this section, the recipient of a NOPS or NIDP will be provided an opportunity for a hearing, as governed by § 904.201.
2. (b)There will be no opportunity for a hearing to contest a NOPS or NIDP if the permit holder/applicant had a previous opportunity to participate as a party in an administrative or judicial proceeding with respect to the violation that forms the basis for the NOPS or NIDP, whether or not the permit holder/applicant did participate, and whether or not such a proceeding was held.