A more thorough explanation:

An act of sederunt is a regulation that is issued by the Court of Session in Scots law. It is used to regulate the procedure in that court or in the lower civil courts.

• A judge may issue an act of sederunt to set out the rules for how a trial should be conducted.
• An act of sederunt may be used to establish the procedures for filing documents in a civil case.

These examples illustrate how an act of sederunt is used to provide guidance on the proper procedures to be followed in court. By setting out clear rules and guidelines, an act of sederunt helps to ensure that cases are handled fairly and efficiently.