Noise Abatement Ordinance (NAO) (NAO)
English is not an official language of the Swiss Confederation. This translation is provided for information purposes only and has no legal force.
Section 1 Emission Limitation Measures from Vehicl
Art. 3
1 Noise emitted from motorised vehicles, aircraft, water craft and railways must be reduced as far as possible by technical and operational means, and to the extent that this is economically acceptable. 2 Emission limitation measures are governed by the legislation on road traffic, civil aviation, inland navigation or the railways, provided the vehicle concerned is covered by one of these categories of legislation. 3 Emission limitation measures for other vehicles is governed by the provisions on mobile appliances and machines.
Section 2 Emission Limitation Measures for Mobile
Art. 4 Principles
1 The emissions of exterior noise from mobile appliances and machines must be reduced to the extent that: a. this is technically and operationally feasible and economically acceptable; and that b. the well-being of the affected population is not seriously impaired. 2 The enforcement authorities shall order operational and structural measures, or those for proper maintenance. 3 Where it is not possible to avoid exposure to highly disturbing noise due to the operation of military equipment, machines and weapons, the enforcement authorities shall relax the requirements. 4 The emissions of appliances and machines that are used to operate a stationary installation are limited according to the provisions on stationary installations.
Art. 5 Conformity assessment and marking of equipment and machines
1 Equipment and machines may be placed on the market only following a conformity assessment and the appropriate marking. 2 The Federal Department of the Environment, Transport, Energy and Communications (DETEC) shall specify: a. the types of equipment and machines subject to the conformity assessment and marking; b. the requirements for preventive emission limitation measures and marking, taking into account internationally recognised standards; c. the documents to be submitted for the purpose of the conformity assessment; d. the test, measurement and calculation procedures; e. the subsequent controls; f. the recognition of foreign test results and labelling.
Art. 5 — Amended by No I of the O of 23 Aug. 2006, in force since 1 Nov. 2006 (AS 2006 3693). Para. 2 — Amended by No I of the O of 30 June 2010, in force since 1 Aug. 2010 (AS 2010 3223).
Art. 6 Regulationson noise from building sites
The Federal Office for the Environment (FOEN) shall issue regulations covering structural and operational measures to control noise from building sites.
Art. 6 — Amended by No I of the O of 29 Sept. 2023, in force since 1 Nov. 2023 (AS 2023 582).
