Copying paper that is coated so that it can be used without carbon coating or interleaved carbon paper. Originally NCR paper (No Carbon Required, an invention of the National Cash Register Company); also called chemical carbonless, as opposed to mechanical carbonless. See spot carbonizing; paper which when used in multi-ply or multiple copy forms (see manifold form), transfers an image by the action of an impact or writing instrument to the sheets below, by means of mated chemical coatings on the front (CF) and back (CB) of the sheets. Also, see self contained paper