a document registration apparatus for use in a document inserting station or a document queuing station is provided . the apparatus includes a document registration unit having a plurality of laterally - spaced registration stops which pivot about a horizontal axis for stopping motion of a document and registering a particular edge of a document to a particular direction in the apparatus . there is at least one urge roller for moving the registered document away from the apparatus for further processing . the document registration apparatus also includes structure for pivoting the documentation registration unit about a vertical axis for skew adjustment of the registration unit .