Please send your Petition in duplicate to this address:

Attn. of the Secretariat
P.O. Box 19121
NL-1000 GC Amsterdam
The Netherlands

Petitions submitted by e-mail will not be considered.

Enquiries may be sent to

Visiting address
Het Trippenhuis
Kloveniersburgwal 29
NL-1011 JV Amsterdam

The LOWI Secretariat is closed on Fridays.