(a) A judge who issues an interception order may grant extensions of the order.
(b) An extension of an interception order may be granted only if:
(1) an application for an extension is made in accordance with Article 18A.055; and
(2) the judge makes the findings required by Article 18A.102.

(c) The period of extension may not:
(1) be longer than the judge considers necessary to achieve the purposes for which the extension is granted; or
(2) exceed 30 days.