CODE OF VIRGINIA INCREASING OR DECREASING PROBATION PERIOD AND MODIFICATION OF CONDITIONS (§ 19.2-304) The court may subsequently increase or decrease the probation period and may revoke or modify any condition of probation, but only upon a hearing after reasonable notice to both the defendant and the attorney for the Commonwealth. HISTORY: Code 1950, § 53-273; 1974, c. 205; 1975, c. 495.