Please accept our sincere apologies, we are in the process of updating this info.
In the meantime, you might like to contact the National Tourist Office (Office National du Tourisme), the umbrella organisation of all local tourist offices, plus other groupings who have a vested interest in the tourism industry (eg Hotel Association, etc) at the following address:
Office National du Tourisme
PO Box 1001
L-1010 Luxembourg
Grand Duchy of Luxembourg
Tel: (+352) 42 82 82-1
Fax: (+352) 42 82 82 38
email: info@ont.lu
On this site, we also have a list of Luxembourg Tourist Offices abroad, who might well be able to help you further.