(a) When a child placed pursuant to section 1055 of the Family Court Act absconds, written notice of that fact shall be sent within 48 hours to the clerk of the court from which the placement was made. The notice shall be signed by the custodial person or by an authorized representative of the place of placement and shall state the name of the child, the docket number of the proceeding in which the child was placed, the date on which the child absconded, and the efforts made to secure the return of the child. Every order of placement pursuant to section 1055 shall include a direction embodying the requirement of this subdivision.

(b) Upon receipt of the written notice of absconding, the clerk of the court shall cause the proceeding to be placed on the calendar no later than the next court day for such action as the court may deem appropriate.