An interior panelling part for covering an airbag has a sheet-like support, a decorative layer and an intermediate layer arranged between the support and the decorative layer. A passage opening for the airbag is left open in the support. The intermediate layer comprises a mat which spans the passage opening and overlaps with the support outside the passage opening. The intermediate layer and/or the decorative layer is/are weakened longitudinally or offset parallel to an edge of the passage opening on just one side of the passage opening.