The document “NCP-112.3-Code-of-Practice-Provision-of-real-time-counter-eavesdropping-detection-Apr-2019” outlines a comprehensive code of practice for companies offering real-time counter-eavesdropping detection services. It details the necessary organizational structure, personnel requirements, service provision protocols, and compliance with relevant regulations, emphasizing the importance of NSI approval for adherence to the code. The document serves as a guideline for ensuring quality and consistency in the planning, installation, maintenance, and repair of eavesdropping detection systems.