71074a3c_ament_Rules___PokerNetwork_com__Rule_Title
[#] 35 [Rule] When heads-up the small blind is on the button and acts first. When beginning heads-up play the button may need to be adjusted to ensure that, no player takes the big blind twice in a row. [Rule Title] 
Button in Heads-up
Poker Tournament Rules | PokerNetwork.com
Rule Title