(phases out state inheritance tax beginning in 2013 by phasing-up credit against inheritance tax liability; credit is 10 percent for deaths in 2013, and increases and additional ten percentage points per year through 2021; tax eliminated for deaths beginning in 2022; replacement amounts payable to counties phased out over 10 years beginning with amounts payable beginning July 1, 2012; exemption for Class A transferees increased from $100,000 to $250,000 for deaths after 2011, and reclassifies spouse, widow or widower of child of transferor as Class A rather than Class B; spouse, widow or widower of step-child of transferor reclassified as Class A transferee rather than Class C transferee).