There is the "third" conditional way which was demonstrated by President in the CFC practice:Originally Posted by Christopher Mallon
http://www.chess.ca/Gls/04-05GL3.pdf"Halldor Palsson: I rule: Unless there is an objection I grant Mr. Barron permission to withdraw 2005-13. The comments by Mr. Dixon go into the GL and he or any other Governor may object to the withdrawal of 2005-13. RONR (10th ed.), p.285.]"