If you don`t have a purchase and sale agreement, the buyer might mistakenly think that he or she will have a brand new mouthguard or that the seller suddenly wants more money for the car. Treuhandservice: Escrow is a neutral third party responsible for holding funds during the purchase transaction. Serious money deposits are usually deposited on Treuhand. Escrow offers protection to both parties as long as the contractual risks are still outstanding. . . .