552. Power to vary.

A sentence1 imposed, or other order2 made, by the Crown Court when dealing with an offender may be varied or rescinded by the Crown Court within the period of 56 days beginning with the day on which it was imposed or made3. This power may not be exercised in relation to any sentence or order if an appeal, or an application for leave to appeal, against that sentence or order has been determined4. A sentence or other order may not be varied or rescinded under these provisions except by the court constituted as it was when the sentence or