43 CFR § 4130.4 - Authorization of temporary changes in grazing use within the terms and conditions of permits and leases, including temporary nonuse.
(b) For the purposes of this subpart, “temporary changes in grazing use within the terms and conditions of the permit or lease” means temporary changes in livestock number, period of use, or both, that would:
(1) Result in temporary nonuse; or
(2) Result in forage removal that -
(ii) Occurs either not earlier than 14 days before the begin date specified on the permit or lease, and not later than 14 days after the end date specified on the permit or lease, unless otherwise specified in the appropriate allotment management plan under § 4120.2(a)(3); or
(d) Permittees and lessees must apply if they wish -
(2) To use forage previously authorized as temporary nonuse; or
(3) To use forage that is temporarily available on designated ephemeral or annual ranges.
(1) Temporary nonuse is authorized -
(i) Only if the authorized officer approves in advance; and
(ii) For no longer than one year at a time.
(i) Natural resource conservation, enhancement, or protection, including more rapid progress toward meeting resource condition objectives or attainment of rangeland health standards; or
(ii) The business or personal needs of the permittee or lessee.
(f) Under § 4130.6-2, the authorized officer may authorize qualified applicants to graze forage made available as a result of temporary nonuse approved for the reasons described in paragraph (e)(2)(ii) of this section. The authorized officer will not authorize anyone to graze forage made available as a result of temporary nonuse approved under paragraph (e)(2)(i) of this section.
(g) Permittees or lessees who wish to obtain temporary changes in grazing use within the terms and conditions of their permit or lease must file an application in writing with BLM on or before the date they wish the change in grazing use to begin. The authorized officer will assess a service charge under § 4130.8-3 to process applications for changes in grazing use that require the issuance of a replacement or supplemental billing notice.