6(1)Condition C is that on the relevant date it is lawful, on the assumptions set out in sub-paragraph (2), for HMRC to assess the person concerned to any tax the liability to which would have been disclosed to or discovered by HMRC if on that date—U.K.
(a)where none of the original offshore tax non-compliance was corrected before the end of the 2016-17 tax year, HMRC were aware of the information missing as a result of the failure to correct that tax non-compliance, or
(b)where the original offshore tax non compliance was corrected in part before that time, HMRC were aware of the information missing as a result of the failure to correct the rest of that tax non-compliance.
(2)The assumptions are—
(a)that paragraph 26 is to be disregarded, and
(b)where the tax at stake is inheritance tax, that the relevant offshore tax non-compliance is not corrected before the relevant date
(3)In this paragraph “the relevant date” is—
(a)where the tax at stake is income tax or capital gains tax, 6 April 2017, and
(b)where the tax at stake is inheritance tax, the day after the day on which this Act is passed.