1976—Pub. L. 94–455 substituted “the taxable estate” for “the sum of the taxable estate and the amount of the exemption allowed in computing the taxable estate, determined under section 2052, or section 2106(a), as the case may be” after “property bears to”.

Amendment by Pub. L. 94–455 applicable to estates of decedents dying after Dec. 31, 1976, see section 2001(d)(1) of Pub. L. 94–455, set out as a note under section 2001 of this title.