Redefining the boundaries of the Common Commercial Policy and the ERTA doctrine: Opinion 3/15, Marrakesh Treaty - Common Market Law Review View Redefining the boundaries of the Common Commercial Policy and the ERTA doctrine: Opinion 3/15, Marrakesh Treaty by - Common Market Law Review Redefining the boundaries of the Common Commercial Policy and the ERTA doctrine: Opinion 3/15, Marrakesh Treaty 55 3 Common Market Law Review