(a)  Except as otherwise provided in subsection (b) of this section, the court may issue an order under this chapter only after notice and opportunity for a hearing appropriate in the circumstances.

(b)  The court may issue an order under this chapter:

(1)  Without prior notice if the circumstances require issuance of an order before notice is given;

(2)  After notice and without a prior hearing if the circumstances require issuance of an order before a hearing is held; or

(3)  After notice and without a hearing if no interested party timely requests a hearing.