904.402—Procedures.
(a)
Any person authorized to enforce the laws listed in § 904.1(c) or Agency counsel may issue a written warning to a respondent as provided in § 904.3.
(d)
If, within 120 days of the date of the written warning, further investigation indicates that the violation is more serious than realized at the time the written warning was issued, or that the respondent previously committed a similar violation for which a written warning was issued or other enforcement action was taken, NOAA may withdraw the warning and commence other administrative or judicial proceedings.