Va. Code § 19.2-152.4:1
Every pretrial services officer who is an employee of a local pretrial services agency established by any city, county or combination thereof or operated pursuant to this article shall take an oath of office as prescribed in § 49-1 and to provide services pursuant to the requirements of this article before entering the duties of his office. The oath of office shall be taken before any general district or circuit court judge in any county or city which has established services for use by judicial officers pursuant to this article.
In addition, any officer of a pretrial services agency established or operated pursuant to this article may seek a capias from any judicial officer for the arrest of any person under the agency's custody and supervision for failure to comply with any conditions of release imposed by a judicial officer, for failure to comply with the conditions of pretrial supervision as established by a pretrial services agency, or when there is reason to believe that the person will fail to appear, will leave, or has left the jurisdiction to avoid prosecution.
Va. Code § 19.2-152.4:1