This part of this European Standard defines the requirements for qualification of the personnel who plan, carry out and supervise non-destructive testing in industrial sector Railway maintenance infrastructure, on rails in switches, crossings and plain track. Safety of staff working on or near the railway track is part of the infrastructure manager safety management system and is not part of this standard. This part of this European Standard applies only to rail profiles meeting the requirements of EN 13674-1 and EN 13674-2.