sentences:  The TGDC prepared a draft of the VVSG 2.0, and the TGDC's draft was delivered to the Election Assistance Commission in August 2007, but have not yet been adopted by the Election Assistance Commission and work remains in progress to refine these guidelines.The guidelines contain new and expanded material in the areas of reliability and quality, usability and accessibility, security, and testing.The TGDC draft prohibits radio frequency (RF) wireless, address software independence and include improved requirements for the overall reliability of voter verifiable paper audit trail voting systems.