The natural resources commission:

1. (1) except as provided in subdivision (2), may not:

   1. (A) adopt rules to establish; or

   2. (B) otherwise implement;

      any mandatory program governing water conservation and efficiency under section 4.2 of the compact;

2. (2) may adopt rules to establish a mandatory program governing water conservation and efficiency under section 4.2 of the compact only if the general assembly adopts an act authorizing the adoption of the rules;
3. (3) shall adopt rules under IC 4-22-2 that implement voluntary water conservation and efficiency programs; and
4. (4) shall adopt rules under IC 4-22-2 , which may provide for general permits, for the implementation, administration, and enforcement of article 4 of the compact.

As added by P.L.4-2008, SEC.5.