These Regulations come into force on 1st October 2005 and they amend the Employment Tribunals (Constitution and Rules of Procedure) Regulations 2004 (S.I.2004/1861) (as amended by the Employment Tribunals (Constitution and Rules of Procedure) (Amendment) Regulations 2004 (S.I. 2004/2351) and the Employment Tribunals (Constitution and Rules of Procedure (Amendment) Regulations 2005 (S.I.2005/435)) (“the main Regulations”)