OK SB608

Changes the ending date for zero-emission facility tax credits from January 1, 2021 to January 1, 2016 for facilities placed in operation on or after January 1, 2007.

Reduces the credit claim period from ten years to three years following the date a facility is placed in service for facilities placed in service on or after the bill's effective date (July 1, 2015).

Maintains the ten-year claim period for facilities placed in operation before July 1, 2015.

Preserves existing provisions allowing credits generated prior to January 1, 2014 to be carried forward for up to ten years or refunded at 85% of face value for credits generated on or after January 1, 2014.

Becomes effective July 1, 2015, with an emergency clause declaring immediate effect.