PCRB Circulars provide advanced announcement of proposed additions, revisions, developing trends, as well as information relating to current and future events affecting the Pennsylvania workers compensation marketplace.  Final approval of “proposed” actions are also set forth within these circulars for Policy, Rating Values, Unit Statistical, Classification and other data issues and procedures. To subscribe to circular notifications, enter your email address in the Subscribe form to the right. To view a historical listing of PCRB Circulars visit the Circulars page.