Notwithstanding any other provision of this part 12, no owner or operator of a stationary source or group of stationary sources shall lose the benefits of regulatory assurances granted under this part 12 by transferring, selling, banking, or otherwise using allowances established under Title IV of the federal act or by any other federally required trading program of regional or national applicability as a result of entering into a voluntary agreement.
C.R.S. § 25-7-1207