; or (cc) is employed in a position in the executive branch of the Government of a confidential or policy-determining character under schedule C of subpart C of part 213 of title 5 of the Code of Federal Regulations. ; and (4) by adding at the end the following: (iii) Government contribution No Government contribution under section 8906 of title 5, United States Code, shall be provided on behalf of an individual who is a Member of Congress, a congressional staff member, the President, the Vice President, or a political appointee for coverage under this paragraph. (iv) Limitation on amount of tax credit or cost sharing An individual enrolling in health insurance coverage pursuant to this paragraph shall not be eligible to receive a tax credit under section 36B of the Internal Revenue Code of 1986 or reduced cost sharing under section 1402 of this Act in an amount that exceeds the total amount for which a similarly situated individual (who is not so enrolled) would be entitled to receive under such sections. (v) Limitation on discretion for designation of staff Notwithstanding any other provision of law, a Member of Congress shall not have discretion in determinations with respect to which employees employed by the office of such Member are eligible to enroll for coverage through an Exchange. (vi) Clarification The terms small employer (as defined under section 1304(b)(2)) and qualified employers (as defined under subsection (f)) do not include the Congress, with respect to enrollments in an Exchange and a SHOP Exchange. .