Rule 3.5 General power of the court to rectify matters where there has been an error of procedure
Where there has been an error of procedure, such as a failure to comply with a rule or practice direction—
(a)
the error does not invalidate any step taken in the proceedings unless the court so orders; and
(b)
the court may waive the error or require it to be remedied or may make such other order as appears to the court to be just.