Section 31

all the trade unions and employers who are parties to a trade dispute jointly make a request in writing to the Registrar that the trade dispute be submitted to arbitration;

a trade union or an employer who is a party to a trade dispute makes a request in writing to the Registrar that under section 50(1) of the Employment Act 1968 the trade dispute be submitted to arbitration;

a trade union which or an employer who is a party to a trade dispute as to any matter arising from or connected with a transfer of employment makes a request in writing, whether before or after the transfer of employment, to the Registrar that the trade dispute be submitted to arbitration;

the trade dispute relates to —

the retrenchment benefit payable to an executive employee who is represented by a recognised trade union under section 30A; or

a breach of contract of employment by an executive employee who is represented by a recognised trade union under section 30A or his employer,and the employer or the recognised trade union representing the executive employee makes a request in writing to the Registrar that the trade dispute be submitted to arbitration;

the Minister by notice in the Gazette directs that the trade dispute be submitted to arbitration; or

the President of Singapore by proclamation declares that by reason of special circumstances it is essential in the public interest that a trade dispute be submitted to arbitration.