Required annual payment
For purposes of subparagraph (A), the term “required annual payment” means the lesser of—
(i)#
90 percent of the tax shown on the return for the taxable year (or, if no return is filed, 90 percent of the tax for such year), or
(ii)#
100 percent of the tax shown on the return of the individual for the preceding taxable year.
Clause (ii) shall not apply if the preceding taxable year was not a taxable year of 12 months or if the individual did not file a return for such preceding taxable year.