(1) A
"certified agreement" is a written agreement—(a) about industrial matters relating to—(i) an employer; and(ii) a group of employees of the employer, whether all employees or a category of employees; and(iii) the employee organisations covered by the agreement; andNote—An employee organisation is a body that is registered as an organisation under chapter 12 —see schedule 5 , definition organisation .(b) that has been certified under part 5 .
(2) A certified agreement covers all employees in the group, even employees who were employed after the agreement was made.