47.4.—(1) The court may—
(a)shorten or extend (even after it has expired) a time limit under this Part;
(b)dispense with a requirement for service under this Part (even after service was required); and
(c)consider an application made orally instead of in writing.
(2) A person who wants an extension of time must—
(a)apply when serving the application for which it is needed; and
(b)explain the delay.