Subd.1. Generally. The court shall hold an emergency protective care hearing within 72 hours of the child being taken into emergency protective care unless the child is released pursuant to Rule 41. The purpose of the hearing shall be to determine whether the child shall be returned home or placed in protective care. Subd. 2. Continuance. The court may, upon its own motion or upon the written or oral motion of a party made at the emergency protective care hearing, continue the emergency protective care hearing for a period not to exceed eight days. A continuance may be granted: (a) upon a determination by the court that there is a prima facie showing that the child should be held in emergency protective care pursuant to Rule 40; and(b) upon a finding by the court that a continuance is necessary for:(1) the protection of the child;(2) the accumulation or presentation of necessary evidence or witnesses;(3) to protect the rights of a party; or(4) other good cause shown.Minn. Juve. Prot. P. 42.01