Section 42(5) is repealed by paragraph 6 of Schedule 1 to the Employment Rights (Amendment) (EU Exit) Regulations 2019 (SI 2019/535).

Section 43(5) was repealed by paragraph 4(2) of the Employment Rights (Amendment) (Northern Ireland) (EU Exit) Regulations 2019 (SI 2019/537).

The Employment Relations (Northern Ireland) Order 2004 (SI 2004/3078) (NI 19) was made under paragraph 1(1) of the Schedule to Northern Ireland Act 2000 as modified by section 58 of the Employment Relations Act 2004.

The Order makes similar provision to the Employment Relations Act 2004, except sections 43 to 46, for Northern Ireland.

The TUC's then general secretary, Brendan Barber welcomed the law, noting that "Staff will have to be given information and be consulted over major changes to the business, as they currently are in Britain’s best companies.

Trade unions will be able to recruit members in an environment free of underhand, US-style union-busting activities and will find it easier the exclude and expel far-right activists in breach of union rules.