»Preventive Profit Skimming in Police Law. Binding Nature of its Executive Design in Internal and External Relations as well as an In-Depth Consideration of the first Procedural Stage, the Seizure under Lower Saxony State Law«: Work deals mainly with law of Lower Saxony, discusses the prerequisites and limits of the PräGe with the inclusion of self-raised survey data, and offers assistance for norm users. It shows, i.a., that criminal law norms are partly illegitimate and have no priority, a gap in the regulation of subject-matter jurisdiction including a legislative proposal, that the concept of subject-matter also covers incorporeal objects, indices for a present danger and for rebutting the presumption of ownership.