Deductible Amount of Contributions - Rev. Proc. 90-12, 1990-1 C.B. 471 #deductible #amount #of #contributions #rev #roc #proc #90-12 #1990-1 #c.b #cb-471 #IRS #documents #legal #and #kaw #law #related
rev_proc_1990-12_deductibility_when_benefit_received.pdf