In fact, SOPA does include provisions to block payments and advertising on infringing sites, allowing copyright holders to file complaints with the payment providers and advertisers directly and only giving the infringing site five days from the time of that filing to respond before the payment firms and advertisers are legally obliged to cut off the site.
Record labels and radio companies have actively lobbied Congress on the issue of whether the Copyright Act should be amended to legally require the payment of sound recording performance royalties for the past 80 years.