A Variance Request must be submitted to the NIH Project Officer and permission granted in order to submit electronic data in a format other than those specifically named above. When it is considered in the best interest of the NIH, the Project Officer may permit third party or add-in software provided files meet requirements of Section 1.6.2. Any third party software used that modifies or creates layers in Autodesk Architectural Desktop drawings shall adhere to the AIA CAD Layering Guidelines.