Original: For consumers, we would always advice that in the event of a complaint contact is made with the trader by you, preferably in the form of a letter (with proof of delivery).
Simplified: For consumers, we would always advice that in the case of a complaint contact is made with the seller by you, preferably via a letter (with proof of delivery).
Simplified: For consumers, we would always advice that in the event of a problem contact is made with the trader by you, preferably in the form of a letter (with proof of delivery).
Simplified: For consumers, we would always advice that during a complaint contact is made with the trader by you, preferably in the form of a letter (with proof of delivery).