To amend the Internal Revenue Code of 1986 to adjust the estimated tax payment safe harbor based on income for the preceding year in the case of individuals with adjusted gross income greater than $5 million.

(This measure has not been amended since it was introduced. The summary of that version is repeated here.)

Amends the Internal Revenue Code to increase (from 110% to 110.1%) the estimated tax payment safe harbor percentage for determining the amount of estimated tax payable by individual taxpayers whose adjusted gross income for the preceding taxable year exceeds $5 million.