From Google Affiliate Network :
We are pleased to announce the launch of our new Help Center for both advertisers and publishers. Content includes basic information on account settings, running reports and performing common tasks. In addition, you will be able to submit questions directly to our support team via the Help Center in the event that you are unable to find the information you need. Please be sure to check the Help Center for all your support questionson current and new features.
Great news as I just started to learn about affliate program on Google.