The Office of the Executive Secretary of the Supreme Court of Virginia shall prepare the petitions, orders, and such other legal forms as may be required in proceedings for custody, detention, and involuntary admission pursuant to this article, and shall distribute such forms to the clerks of the juvenile and domestic relations district courts of the Commonwealth. The Department of Behavioral Health and Developmental Services shall prepare the preadmission screening report, evaluation, and such other clinical forms as may be required in proceedings for custody, detention, and admission pursuant to this article, and shall distribute such forms to community services boards, mental health care providers, and directors of state facilities.