Complaints, request for refund

I want to make a complaint following my journey, for one of the following reasons:
Contact us at the following address:

TGV-europe.com
Customer Service
BP 10012
B-1060 Brussels 6
Belgium

Please enclose:

I want to make a complaint or request a refund following my journey
TGV, Teoz, Lunea, Intercités, Elipsos tickets (travel to Spain)

Contact us at the following address:
SNCF Customer Relations
62 973 ARRAS Cedex 9

Please enclose:
iDTGV tickets

Send your message by clicking here

Artesia tickets
Artesia SAS
BP 10630
75421 PARIS Cedex 09
France

Eurostar tickets
Eurostar Traveller Care
Kent House, 81 Station Road
Ashford
Kent
TN23 1AP
United Kingdom

Thalys tickets
Thalys Customer Service
B.P. 14
B - 1050 Brussels 5
Belgium

I want to claim compensation because my train was delayed

I want to know the procedure to object against or pay for a penalty