[NotThatKevin]

"At the same time, a requirement is proposed to
be added that the identification card used to verify identification by
the producer must be independently accessible by government entities in
order to ensure its legitimacy. Thus, driver's licenses--which are
routinely accessed through the States' departments that manage such
licensing and motor vehicle registration--are a prime form of
identification. "

According to this piece of proposed legislation USA webmasters will only be able to deal with content providers that can provide them with a USA drivers license or other approved ID document than can be accessed by government entities.