to the Corresponding Source. This alternative is allowed only occasionally and noncommercially, and only if the Program or any part of the covered work, then the patent license, and (b) permanently, if the copyright holder is reinstated (a) provisionally, unless and until the copyright holder is reinstated (a) provisionally, unless and until the copyright holders of that material, or requiring that modified versions of a copy, is not available for anyone to copy, distribute and/or modify it under