The initial voluntary sentencing standards and the accompanying worksheets and instructions, as adopted by the Sentencing Commission on September 30, 2005, and filed with the Clerk of the Supreme Court, the Secretary of the Senate, and the Clerk of the House of Representatives, are approved for implementation effective on October 1, 2006, under the terms and conditions set out in Sections 12-25-34 and 12-25-35; provided however, that these standards shall not apply to any sex offense involving a victim under the age of 12.