Abstract: A catalytic wall-flow filter for the treatment of an exhaust gas is disclosed. The catalytic wall-flow filter comprise at least a first, a second and a third catalytic layers: the first catalytic layer extends from the inlet-end of the substrate and comprises a first SCR composition; the second catalytic layer is provided in or on the walls of the inlet channels, extending from the inlet-end of the substrate, and comprises a PGM-containing composition; the third catalytic layer is provided in or on the walls of the outlet channels, extending from the outlet-end of the substrate, and comprises a second SCR composition.