Canon 12, Section I, Title 2 of the Digest provides that, "A communicant removing from one parish to another shall procure from the Rector (if any) of the parish of his last residence, or if there be no Rector, from one of the Wardens, a certificate stating that he or she is a communicant in good standing; and the Rector of the Parish or Congregation to which he or she removes shall not be required to receive him or her as a communicant until such letter be produced."