25 C.F.R. § 166.703
What happens if a permit violation occurs?
(a) If an Indian landowner notifies us that a specific permit violation has occurred, we will initiate an appropriate investigation within five business days of that notification.
(b) If we determine that a permit violation has occurred based on facts known to us, we will provide written notice to the permittee and the sureties of the violation within five business days.