Noise Abatement Ordinance
(NAO)

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:⁴

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.