This is the gaming commission that oversees most online sites.
Here's a link to their homepage:
http://www.kahnawake.com/gamingcommission/
Here's their contact info:
Mailing Address: Kahnawake Gaming Commission
P.O. Box 1799
Old Malone Highway
Kahnawake Mohawk Territory, QC J0L 1B0
CANADA
Fax Number: (450)635-1139
Email: kgc@mck.ca
Here's a clip from their regulations:
The Regulations are designed to ensure that all interactive gaming
and gaming related activities conducted within or from the Mohawk
Territory of Kahnawake satisfies three basic principles:
1) That only suitable persons and entities are permitted to operate
within Kahnawake;
2) That the games offered are fair to the player; and
3) That winners are paid.
You can even file complaints with them.
Jeff