About

Quick links

4

published ISO standards *

under the direct responsibility of ISO/TC 31/SC 4

1

ISO standards under development *

under the direct responsibility of ISO/TC 31/SC 4

16

Participating members

12

Observing members

* number includes updates

Organizations in liaison (Category A and B)
Acronym Title Category
ETRTO European Tyre and Rim Technical Organization A

ISO/TC 31/SC 4 - Secretariat

UNI Italy
Commissione Tecnica di Unificazione nell'Autoveicolo
61, Corso Galileo Ferraris
I-10128 Torino
Italy

Tel: +39 011 562 11 49
Fax: +39 011 53 21 43

Secretariat direct:
Mr Lorenzo Rossignolo
Tel: 0039 011 5621149
Fax: 0039 011 532143