Section 191.9 - Distribution system: Incident report(a) Except as provided in paragraph (c) of this section, each operator of a distribution pipeline system shall submit Department of Transportation Form RSPA F 7100.1 as soon as practicable but not more than 30 days after detection of an incident required to be reported under § 191.5 .(b) When additional relevant information is obtained after the report is submitted under paragraph (a) of this section, the operator shall make supplementary reports as deemed necessary with a clear reference by date and subject to the original report.(c) Master meter operators are not required to submit an incident report as required by this section.Amdt. 191-5, 49 FR 18960, May 3, 1984, as amended at 75 FR 72905 , Nov. 26, 2010