Section 904.304 - Opportunity for hearing(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 .(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. 71 FR 12448 , Mar. 10, 2006, as amended at 87 FR 38941 , June 30, 2022