49 C.F.R. § 194.111
Response plan retention
(a) Each operator shall maintain relevant portions of its response plan at:
(1) The operator's headquarters and other locations from which response activities may be conducted, for example in field offices, supervisors' vehicles, or spill response trailers; or
(2) Electronic storage on a readily accessible secured portable device.
(b) Each operator shall provide a copy of its response plan to each qualified individual.