(a) The commission shall establish by rule guidelines for a determination of the scale or extent of a revision request to which all permit application information requirements and procedures, including notice and hearings, shall apply.
(b) A revision that proposes a substantial change in the intended future use of the land or significant alteration in the reclamation plan shall be subject at a minimum to the notice and hearing requirements provided in Sections 131.159 and 131.163 of this code.