advance payment guarantee(англ. термин взят на сайте Fortis; там же приводится определение этого термина: In issuing an advance payment guarantee, the guarantor bank undertakes to refund any advance payments made by the buyer if the promised supplies are not delivered or if the work described in the contract is not done. This guarantee can sometimes be reduced as deliveries occur or as work progresses. Alex_Odeychuk)
advance payment bond(Guarantee supplied by a party receiving an advance payment to the party advancing the payment. It provides that the advanced sum will be returned if the agreement under which the advance was made cannot be fulfilled. businessdictionary.comAlexander Demidov)
