Income-Producing Purpose
C.I.R. (Hong Kong) v. Cosmotron Manufacturing Co. Ltd., [1997] B.T.C. 465 (P.C.) -- attach -- Income-Producing Purpose
Grunbaum v. The Queen, 94 DTC 1384, [1994] 1 CTC 2687 (TCC) -- attach -- Income-Producing Purpose
corporation's share of wedding reception expenses re business guests were deductible