I am pleased to receive your letter of [date] in which you invited me to undertake the marketing of your products in [country/area].
I will gladly accept your invitation if we can reach an agreement on terms and conditions. I suggest for consideration the following terms:
1. An agency commission of % to be payable on net amounts invoiced;
2. A del credere commission of % in return for my guarantee of payments due on all accounts;
3. An agreement extending over at least years.
Please tell me as soon as possible whether you in general agree with these suggestions. I expect to be in [place] next month, and I hope we could meet and discuss the details.