Subject to the provisions of this Schedule anything done before 1st January 2013 by, to, before or in relation to any justices for an existing area, their clerk or any other officer of the court, shall on or after that date, be deemed to have been done by, to, before or in relation to those justices, their clerk or any other officer of the court, as justices for the new area, their clerk or any other officer of the court, as the case may be.