Modification of standing orders requires specified particulars, supporting tabular details, reasons, trade union information, and authorised signature. Application for modification of existing standing orders may be submitted electronically, in person or by speed post. The application must specify the standing orders proposed to be modified and include a tabular statement setting out the relevant provisions in force, the proposed modifications, the reasons for the changes and the details of registered trade unions operating in the establishment. The statement must be signed by an authorised person on behalf of the entity or representative body submitting the application.