(a) This subpart applies to modifications pending before BLM on January 20, 2001 to construct a new facility, such as a waste rock repository, leach pad, drill site, or access road; or to modify an existing mine facility such as expansion of a waste rock repository or leach pad.

(b) All provisions of this subpart, except plan content (§3809.401) and performance standards (§§3809.415 and 3809.420) apply to any modification of a plan of operations that was pending on January 20, 2001. See §3809.505 for applicability of financial guarantee requirements.

(c) If your unapproved modification of a plan of operations is pending on January 20, 2001, then the plan content requirements (§3809.1-5) and the performance standards (§§3809.1-3(d) and 3809.2-2) that were in effect immediately before January 20, 2001 apply to your modification of a plan of operations. (See 43 CFR parts 1000-end, revised as of Oct. 1, 2000).

(d) If you want this subpart to apply to your pending modification of a plan of operations, where not otherwise required, you may choose to have this subpart apply.