"Confining zone" means:

1. (1) a geologic formation;
2. (2) a group of geologic formations; or

3. (3) part of a geologic formation;

   capable of limiting the movement of the carbon dioxide stream and all fluids above an injection zone.

4. (b) For a carbon dioxide injection well permitted by a UIC Class VI permit under an injection depth waiver, the term means a:

   1. (1) geologic formation;
   2. (2) group of geologic formations; or

   3. (3) part of a geologic formation;

      stratigraphically overlying and underlying the injection zone.

As added by P.L.161-2026, SEC.39.