(1) In this Act -

"Act of 2015" means the Workplace Relations Act 2015;

"the Act of 1952" means the Social Welfare Act, 1952;

"adjudication officer" has the same meaning as it has in the Act of 2015;

"adopting parent" means an employee who is an adopting parent within the meaning of the Adoptive Leave Act 1995;

"business" includes a trade, industry, profession or undertaking, or any activity carried on by a person or body of persons, whether corporate or unincorporate, or by a public or local authority or a Department of State, and the performance of its functions by a public or local authority or a Department of State;