(UCC)at the startof the year(6) Cost ofadditionsin the year Cost ofadditions fromcolumn 3 thatare acceleratedinvestmentincentiveproperty(AIIP) orzero-emissionvehicle (ZEV)in servicebefore 2024(7) Proceeds ofdispositionsin the year UCC afteradditions anddispositions(column 2pluscolumn 3minuscolumn ...