This document indicates the minimum training and registration requirements for post-tensioning personnel involved in the installation of PT kits in concrete structures using bonded or unbonded tendons in accordance with the relevant execution specifications, product standard and/or European Technical Assessment (ETA). This document describes the tasks that the various categories of PT personnel can undertake. For the purposes of this document, PT personnel means: PT-Manager, Supervisors, Operatives and Trainees who are directly employed or indirectly employed on a sub-contract basis. This document does not cover general safety and health aspects. This document does not cover contractual issues. prEN 17678-2 deals with the assessment of competence.