726.11. Despite sections 726.7 and 726.7.1, no amount may be deducted under this Title in respect of the capital gain of an individual for a particular taxation year in computing the individual’s taxable income for the particular year or any subsequent taxation year, if the individual knowingly or under circumstances amounting to gross negligence(a) fails to file the individual’s fiscal return for the particular year within one year after the individual’s filing-due date for the particular year; or
(b) fails to report the capital gain in the fiscal return the individual was required to file for the particular year under section 1000.