25 CFR §224.87
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
As soon as practicable after discovering or receiving notice of a violation or breach of a lease, business agreement, or right-of-way of a Federal or Tribal environmental law resulting from an activity undertaken by a third party under a lease, business agreement, or right-of-way, the Tribe must provide written notice to the Secretary describing: