"Unless the court hearing the committal application or application for sequestration otherwise permits, the applicant may not rely on any evidence unless it has been served in accordance with the relevant chapter of this part or the Practice Direction supplementing this part."
"While these requirements on Order 29 rule 1 are there to be observed, in the absence of authority to the contrary, even though the liberty of the subject is involved, we would not expect the requirements to be mandatory, in the sense that any non-compliance with the rule means that a committal for contempt is irremediably invalid."