Revenue Code of 1986 is amended by adding at the end the following new paragraph: (3) Further additional tax In addition to the tax imposed by paragraphs (1) and (2) and the preceding subsection, there is hereby imposed on every taxpayer (other than a corporation, estate, or trust) a tax equal to 1.2 percent of wages which are received with respect to employment (as defined in section 3121(b)) during the taxable year which are in excess of— (A) in the case of a joint return, $500,000, (B) in the case of a married taxpayer (as defined in section 7703) filing a separate return, ½ of the dollar amount determined under subparagraph (A), and (C) in any other case, $400,000. . (2) Collection of tax Section 3102 of such Code is amended by adding at the end the following new subsection: (g) Special rules for further additional tax (1) In general In the case of any tax imposed by section 3101(b)(3), subsection (a) shall only apply to the extent to which the taxpayer receives wages from the employer in excess of $400,000, and the employer may disregard the amount of wages received by such taxpayer's spouse. (2) Collection of amounts not withheld To the extent that the amount of any tax imposed by section 3101(b)(3) is not collected by the employer, such tax shall be paid by the employee. (3) Tax paid by recipient If an employer, in violation of this chapter, fails to deduct and withhold the tax imposed by section 3101(b)(3) and thereafter the tax is paid by the employee, the tax so required to be deducted and withheld shall not be collected from the employer, but this paragraph shall in no case relieve the employer from liability for any penalties or additions to tax otherwise applicable in respect of such failure to deduct and withhold. . (c) Effective date The amendments made by this section shall apply to remuneration paid, and taxable years beginning, on or after January 1 of the first calendar year that begins after the date of enactment of this Act. 3. Modification of taxes on self-employment income (a) Tax on net