http://www.legislation.gov.uk/ukpga/1999/26/section/4/2001-07-16Employment Relations Act 1999An Act to amend the law relating to employment, to trade unions and to employment agencies and businesses.1999-08-07texttext/xmlenStatute Law Database2024-02-052001-07-16 Trade unions4 Ballots and notices.Schedule 3 shall have effect.