(a) Wyoming certification of completing all known coal-related impacts is accepted, effective May 25, 1984.
(b) The following is a list of the dates amendments were submitted to OSM, the dates when the Director's decision approving all, or portions of these amendments, were published in the Federal Register and the State citations or a brief description of each amendment. The amendments in this table are listed in order of the date of final publication in the Federal Register.
| Original amendment submission date
| Date of final publication
| Citation/description
|
|---|
| December 16, 1991 | April 13, 1992 | W.S. 35-11-1201 through 1304; Chs I through VIII of State's AML rules.
|
| April 21, 1995 | February 21, 1996 | W.S. 35-11-1206(a), (b); -1209(a), (b).
|
| September 1, 2005 | March 23, 2006 | W.S. 35-11-1206(a).
W.S. 35-11-1206(b).
W.S. 35-11-1209.
W.S. 35-11-1209(vii).
|
| March 21, 2008 | October 3, 2008 | W.S. 35-11-1210(b)
|
| July 21, 2020 | October 26, 2021 | Repeal and replace Certified AML Plan. Response to 884 letter and State initiative streamlining of Plan to be consistent with changes to federal program and extends limited liability protection for certain coal and noncoal reclamation projects. |