(a) Significant revision procedures shall be used for changes to the permit at a site that do not qualify as administrative or minor revisions.     
      (b) At a minimum, every significant change in existing monitoring permit terms or conditions and every relaxation of reporting or recordkeeping permit terms or conditions shall be considered a significant permit revision.     
      (c) A change to a permit shield or a new permit shield is a significant revision.     
     Source Note:        The provisions of this §122.219 adopted to be effective June 3, 2001, 26 TexReg 3747