36 CFR § 9.72 - How will the NPS act on my submission?
(a) Within 30 days after receiving your submission under § 9.71, the Superintendent will notify you in writing that your information is complete, you need to submit more information, or we need more time to review your submission.
(b) After NPS receives your complete submission, and completes compliance with applicable federal laws, including the National Environmental Policy Act, the Superintendent will notify you in writing within 30 days that either:
(1) No further action is required by the NPS and you are exempt from the operations permit requirement; or
(2) You must obtain an operations permit.