Excuses pour retard de livraison

Dear [Mr or Mrs or Sirs], We apologize for the delay in delivering the [produits] you have ordered us last [date], [numéro de facture]. We have had to deal with [problèmes], but this problem is now solved and we are pleased to let you know that the goods will be delivered to you on... It should arrive by [date]. We do hope that this incident has not caused you too much inconvenience and that it will not spoil our commercial relationship. We are looking forward your future orders that will always keep all our attention. Yours sincerely [votre nom] [votre fonction]