Most of you should be very familiar with the 888 brand, as it is the one of the most recognizable names in the industry, so we're extremely excited to have them on board. PAS publishers will receive revenue-share commissions of 25%.
Using the sign-up form is not required for tracking, but you can ask for their usernames if you wish to keep track of your own players (develop VIP relationships, for instance). Maybe encourage your players generate rake and move up the ladder of the VIP program. This will keep everyone happy for the long term health of the CPA deal.