71074a3c_ament_Rules___PokerNetwork_com__Rule_Title
[#] 26 [Rule] There is no cap on the number of raises in no-limit games. A raise must be at least the size of the previous raise. In limit events there will be a limit to raises even when heads-up until the tournament is down to two players; the house limit will apply. [Rule Title] 
Raises
Poker Tournament Rules | PokerNetwork.com
Rule Title