Section 211.48 - Permission to start operations(a) No exploration, drilling, or mining operations are permitted on any Indian lands before the Secretary has granted written approval of a mineral lease or permit pursuant to the regulations in this part.(b) After a lease or permit is approved, written permission must be secured from the Secretary before any operations are started on the leased premises, in accordance with applicable rules and regulations in 25 CFR part 216; 30 CFR chapter II, subchapters A and C; 30 CFR part 750 (Requirements for Surface Coal Mining and Reclamation Operations on Indian Lands), 43 CFR parts 3160, 3260, 3480, 3590, and Orders or Notices to Lessees (NTLs) issued thereunder.