I noticed this, sugesting a fast response -
"The fastest way to get your issue resolved is to use our troubleshooters, some of which bring you to specialized contact forms that will be answered in less than 1 business day and in many cases only a few hours."
And also this:
"To contact AdSense directly and receive support via email, please use this contact form.
You'll receive a personal email reply within 2 business days."