36.2.533 SUPPLEMENTS TO ENVIRONMENTAL IMPACT STATEMENTS
(1) The agency shall prepare supplements to
either draft or final environmental impact statements whenever:
(a) the agency or the applicant makes a
substantial change in a proposed action;
(b) there are significant new
circumstances, discovered prior to final agency decision, including information
bearing on the proposed action or its impacts that change the basis for the
(c) following preparation of a draft EIS
and prior to completion of a final EIS, the agency determines that there is a
need for substantial, additional information to evaluate the impacts of a
proposed action or reasonable alternatives.
(2) A supplement must include, but is not
limited to, a description of the following:
(a) an explanation of the need for the
(b) the proposed action; and
(c) any impacts, alternatives or other items required by ARM 36.2.529 for a draft EIS or ARM 36.2.531 for a final EIS
that were either not covered in the original statement or that must be revised
based on new information or circumstances concerning the proposed action.
(3) The same time periods applicable to draft and final EISs apply to the circulation and review of supplements.
History: Sec. 2-3-103, 2-4-201, MCA; IMP, Sec. 2-3-104, 75-1-201, MCA; NEW, 1988 MAR p. 2692, Eff. 12/23/88.