The provisions of section 183 and the regulations thereunder shall apply only with respect to taxable years beginning after December 31, 1969. For provisions applicable to prior taxable years, see section 270 and § 1.270-1 .
26 C.F.R. §1.183-4
The provisions of section 183 and the regulations thereunder shall apply only with respect to taxable years beginning after December 31, 1969. For provisions applicable to prior taxable years, see section 270 and § 1.270-1 .
26 C.F.R. §1.183-4