QCBT - What does QCBT stand for? The Free Dictionary
References in periodicals archive
If T is purchased by P in a "qualifying cost basis transaction" (QCBT) and an election to waive T's loss carryovers is made, the noncapital, nondeductible expense resulting from the deemed loss expiration does not result in a stock basis adjustment.
However, provided the acquisition of S was a QCBT, there is no additional adjustment to P's stock basis in S (Regs.