Indiana Code Title 31. Family Law and Juvenile Law § 31-21-5-4

Sec. 4. (a) An Indiana court has temporary emergency jurisdiction if the child is present in Indiana and:

(b) If:

a child custody determination made under this section remains in effect until an order is obtained from a court of a state having jurisdiction under sections 1 through 3 of this chapter.

(c) If a child custody proceeding has not been or is not commenced in a court of a state having jurisdiction under sections 1 through 3 of this chapter, a child custody determination made under this section becomes a final determination, and, if it so provides, Indiana becomes the home state of the child.

(d) If:

an order issued by an Indiana court under this section must specify in the order a period that the court considers adequate to allow the person seeking an order to obtain an order from the state having jurisdiction under sections 1 through 3 of this chapter.

(e) The order issued in Indiana remains in effect until an order is obtained from the other state within the period specified or the period expires.

(f) An Indiana court that has been asked to make a child custody determination under this section, on being informed that:

a court of a state having jurisdiction under sections 1 through 3 of this chapter, shall immediately communicate with the other court.

(g) An Indiana court that is exercising jurisdiction under sections 1 through 3 of this chapter, on being informed that:

a court of another state under a statute similar to this section, shall immediately communicate with the court of the other state to resolve the emergency, protect the safety of the parties and the child, and determine a period for the duration of the temporary order.