50 CFR § 29.42
What authorization do I need to conduct operations?
July 17, 2020
(a) You must demonstrate to the Service that you have the right to operate in order to conduct operations on Service-administered lands or waters.
(b) Except as provided in §§29.43 or 29.44, before starting operations, you must obtain a temporary access permit under §§29.70 through 29.73 for reconnaissance surveys and/or an operations permit under §§29.90 through 29.97.