; (2) the term original jurisdiction cases means any action, proceeding, or controversy under section 1251; (3) the term permanent vacancy means a vacancy in the office of justice of the Supreme Court of the United States due to death, resignation, retirement, or removal; and (4) the term temporary absence means an absence due to disability, recusal, or disqualification. . (b) Technical and conforming amendment The table of sections for chapter 1 of title 28, United States Code, is amended by adding at the end the following: 7. Appointment. 8. Definitions. . (c) Rules of the Senate This section is enacted by Congress— (1) as an exercise of the rulemaking power of the Senate, and as such it is deemed a part of the rules of the Senate, and it supersedes other rules only to the extent that it is inconsistent with such rules; and (2) with full recognition of the constitutional right of the Senate to change such rules (so far as relating to the procedure of the Senate) at any time, in the same manner, and to the same extent as in the case of any other rule of the Senate. 3. Effective date This Act, and the amendments made by this Act, shall apply beginning on the date on which the first full term of a President commences pursuant to section 101 of title 3, United States Code, after the date of enactment of this Act. 4. Severability If any provision of this Act or any amendment made by this Act, or any application of such provision or amendment to any person or circumstance, is held to be invalid, the remainder of the provisions of this Act and the amendments made by this Act and the application of the provision or amendment to any other person or circumstance shall not be affected.