This document specifies the minimum training and registration requirements for post-tensioning personnel involved in the installation of PT kits. These PT kits are typically used in concrete structures using bonded or unbonded tendons in accordance with the relevant execution specifications, product standard and / or appropriate technical assessment. This document specifies the tasks that the various categories of PT personnel can undertake. For the purposes of this document, PT personnel means: PT Manager, PT Supervisors, PT Operatives and PT 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 17678-2:2022 deals with the assessment of competence.