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25 CFR § 162.587 - What happens if BIA disapproves an amendment, assignment, sublease, or leasehold mortgage of a WSR lease?

---
identifier: "/us/cfr/t25/s162.587"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "25 CFR § 162.587 - What happens if BIA disapproves an amendment, assignment, sublease, or leasehold mortgage of a WSR lease?"
title_number: 25
title_name: "Indians"
section_number: "162.587"
section_name: "What happens if BIA disapproves an amendment, assignment, sublease, or leasehold mortgage of a WSR lease?"
chapter_name: "BUREAU OF INDIAN AFFAIRS, DEPARTMENT OF THE INTERIOR"
subchapter_number: "H"
subchapter_name: "LAND AND WATER"
part_number: "162"
part_name: "LEASES AND PERMITS"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "5 U.S.C. 301, R.S. 463 and 465; 25 U.S.C. 2 and 9. Interpret or apply sec. 3, 26 Stat. 795, sec. 1, 28 Stat. 305, secs. 1, 2, 31 Stat. 229, 246, secs. 7, 12, 34 Stat. 545, 34 Stat. 1015, 1034, 35 Stat. 70, 95, 97, sec. 4, 36 Stat. 856, sec. 1, 39 Stat. 128, 41 Stat. 415, as amended, 751, 1232, sec. 17, 43 Stat. 636, 641, 44 Stat. 658, as amended, 894, 1365, as amended, 47 Stat. 1417, sec. 17, 48 Stat. 984, 988, 49 Stat. 115, 1135, sec. 55, 49 Stat. 781, sec. 3, 49 Stat. 1967, 54 Stat. 745, 1057, 60 Stat. 308, secs. 1, 2, 60 Stat. 962, sec. 5, 64 Stat. 46, secs. 1, 2, 4, 5, 6, 64 Stat. 470, 69 Stat. 539, 540, 72 Stat. 968, 107 Stat. 2011, 108 Stat. 4572, March 20, 1996, 110 Stat. 4016; 25 U.S.C. 380, 393, 393a, 394, 395, 397, 402, 402a, 403, 403a, 403b, 403c, 409a, 413, 415, 415a, 415b, 415c, 415d, 416, 477, 635, 2201  3701, 3702, 3703, 3712, 3713, 3714, 3715, 3731, 3733, 4211; 44 U.S.C. 3101"
regulatory_source: "66 FR 7109, Jan. 22, 2001, unless otherwise noted."
cfr_part: "162"
---

# 162.587 What happens if BIA disapproves an amendment, assignment, sublease, or leasehold mortgage of a WSR lease?

If we disapprove an amendment, assignment, sublease, or leasehold mortgage of a WSR lease, we will notify the parties immediately and advise the landowners of their right to appeal the decision under part 2 of this chapter.