An operator must provide any notification required by this subpart by--
(a) Sending the notification by electronic mail to InformationResourcesManager@dot.gov; or
(b) Sending the notification by mail to ATTN: Information Resources Manager, DOT/PHMSA/OPS, East Building, 2nd Floor, E22-321, 1200 New Jersey Ave. SE., Washington, DC 20590. [Amdt. 192-120, 80 FR 12779, Mar. 11, 2015]