Authorisation Executive Order on the Act on the Authorisation of Electrical, Plumbing and Sewerage Installation Companies Executive Order on the Practice of the Profession of Technically-Responsible Person Within the Gas, Water and Drainage Field Executive Order on the Practice of the Profession of Technically-Responsible Person within the field of electric installations Executive Order on the Authorisation and Operation of Electrical, Plumbing and Sewerage Installation Companies Executive Order on Quality Management Systems Regulation regarding authorisation and the technically responsible person Relevant regulation about authorisation Executive Order on the exercise of a profession as a person responsible for operation on the basis of foreign professional qualifications
