Section 168 irs code July 8, 2019 16 32 64 128 Section 168 irs code computers Section 168 of the irs code of 1986 Irs code section 168 e Irs code section 168 e )( 2 )( a Irs code section 168 k Irs code section 168 e )( 6 Section 163(j) irs Taxpayer identification number Tax id number Tax id