DRF reserves the right, in its sole discretion and at any time, to change, modify, add or delete the terms and conditions applicable to the use of this Web site and the Information therein, or any part thereof, or to impose new terms and conditions. In the event that DRF does so act, it will notify you of any such change, modification, addition or deletion by a posting on this Web site, or by electronic or conventional mail. Any such change, modification, addition or deletion will be effective upon seven (7) calendar days following such notice.