Every replacement catalytic converter, but not the mounting parts and pipes, must bear, in the type-approval mark, the number of the Chapter(s) under which the type approval has been granted.
Iga varukatalüüsmuunduri, v.a kinnitusosad ja torud, tüübikinnitusmärgil peab olema peatüki (peatükkide) number, mille alusel tüübikinnitus on antud.