Deductibility When Benefit Received - Rev. Proc. 90-12, 1990-1 C.B. 471 #deductibility #when #benefit #received #rev. #proc. #90-12 #1990-1 #c.b.-471 #legala #legal #and #law #related #IRS #documents
rev_proc_1990-12_deductibility_when_benefit_received.pdf