s 18 Invitation to negotiate
18.—(1) A trade union of employees which has been accorded recognition by an employer may serve on that employer or an employer may serve on a trade union of employees a notice in the prescribed form —(a) setting out proposals for a collective agreement in relation to any industrial matters; and (b) inviting the employer or trade union of employees, as the case may be, to negotiate with it in relation to those matters with a view to arriving at a collective agreement. (2) Notwithstanding subsection (1), no trade union of employees may include in a notice setting out proposals for a collective agreement a proposal in relation to any of the following matters:(a) the promotion by an employer of any employee from a lower grade or category to a higher grade or category; (b) the transfer by an employer of an employee within the organisation of an employer’s profession, business, trade or work, provided that such transfer does not entail a change to the detriment of an employee in regard to his terms of employment; (c) the employment by an employer of any person that he may appoint in the event of a vacancy arising in his establishment; (d) the termination by an employer of the services of an employee by reason of redundancy or by reason of the reorganisation of an employer’s profession, business, trade or work or the criteria for such termination; (e) the dismissal and reinstatement of an employee by an employer in circumstances in which section 35(3) applies; (f) the assignment or allocation by an employer of duties or specific tasks to an employee that are consistent or compatible with the terms of his employment.