43 CFR § 3260.12 - What other orders or instructions may BLM issue?
BLM may issue:
(a) Geothermal resource operational orders for detailed requirements that apply nationwide;
(b) Notices to Lessees for detailed requirements on a statewide or regional basis;
(c) Other orders and instructions specific to a field or area;
(d)Permit conditions of approval; and
(e) Oral orders, which will be confirmed in writing.