After a petition has been filed against an adult pursuant to subsection C or D of § 16.1-259, the court shall direct the issuance of a summons against the adult.
The summons shall require them to appear personally before the court at the time fixed to answer or testify as to the allegations of the petition. Where the custodian is summoned and such person is not a parent of the juvenile in question, a parent shall also be served with a summons. The court may direct that other proper or necessary parties to the proceedings be notified of the pendency of the case, the charge and the time and place for the hearing.
Any such summons shall be deemed a mandate of the court, and willful failure to obey its requirements shall subject any person guilty thereof to liability for punishment for contempt. Upon the failure of any person to appear as ordered in the summons, the court shall immediately issue an order for such person to show cause why he should not be held in contempt.
The parent, guardian, legal custodian, or other person standing in loco parentis shall not be summoned to appear or be punished for failure to appear in cases of adults who are brought before the court pursuant to subsection C or D of § 16.1-259 unless such person is summoned as a witness.
Va. Code § 16.1-263