Noise Abatement Ordinance
(NAO)

¹ The per­son re­spons­ible for the in­stall­a­tion bears the costs of its im­prove­ment.

² The per­son re­spons­ible for a pub­lic or li­censed in­stall­a­tion also bears the costs of sound­proof­ing meas­ures for ex­ist­ing build­ings un­der Art­icle 11, un­less an ex­emp­tion has been gran­ted un­der Art­icle 20 para­graph 2 of the Act.

³ Where im­prove­ments or sound­proof­ing meas­ures are re­quired as a res­ult of noise from sev­er­al in­stall­a­tions, the costs are di­vided among the in­stall­a­tions in pro­por­tion to their con­tri­bu­tion to the noise ex­pos­ure level.

⁴ The build­ing own­er bears the costs of main­ten­ance and re­new­al of the sound­proof­ing meas­ures.