From our discussion about trade agreement between Parisien and CFF, I would like to conclude the proposal as following.
1. Invoice 1-15 M CFF account place invoice via e-mail on 16 M Customer paid 25 M (transfer to CFF bank account)
2. Invoice 16-31M CFF account place invoice via e-mail on 1 M+1 Customer paid 10 M+1(transfer to CFF bank account)
TO every 15 days Trade discount 1.00%