CODE OF VIRGINIA SENTENCING GUIDELINES MODIFICATIONS; EFFECTIVE DATE (§ 17.1-806) After adoption of the initial guidelines, any modification to the discretionary sentencing guidelines adopted by the Commission shall be contained in the annual report required under § 17.1-803 and shall, unless otherwise provided by law, become effective on the next following July 1. HISTORY: 1994, 2nd Sp. Sess., cc. 1, 2, § 17-238; 1998, c. 872.