40 CFR 300.135(j)(1)

The OSC/RPM shall ensure that the trustees for natural resources are promptly notified of discharges or releases.

40 CFR 300.305(e)

The OSC shall ensure that the natural resource trustees are promptly notified in the event of any discharge of oil, to the maximum extent practicable as provided in the Fish and Wildlife and Sensitive Environments Plan annex to the ACP for the area in which the discharge occurs. . .

40 CFR 300.320(a)(5)

[the On-Scene Coordinator is to] Ensure prompt notification of the trustees of affected natural resources in accordance with the applicable RCP and ACP.