By Brendan Sasso - 08/14/12 09:16 PM EDT
"Adopting strong Internet freedom language will help ensure that we'll never have to deal with another SOPA or CISPA," the group on its website for the campaign, voteforthenet.com.
The parties will finalize their platforms at their conventions in August and September.
Numerous other advocacy groups recently unveiled declarations of Internet freedom and urged lawmakers to sign them.
Although most Republicans and Democrats readily declare their support for "Internet freedom," the consensus breaks down over specific policies like net neutrality, which has the backing of most Democrats but is opposed by many Republicans.