Pakkumise tagatisena võib ostja nõuda konkreetse rahasumma, väärtpaberite või krediidiasutuse garantii esitamist. Tagatist tuleb nõuda kõigilt pakkujatelt samas ulatuses.
The usual supporting documents accompanying the first order to pay drawn up pursuant to a contract requiring the provision of a deposit shall be supplemented by a copy, certified true by the accounting officer, of the receipt issued when the deposit was paid, or by a copy, certified true by the accounting officer, of a declaration from the establishment or third party providing the guarantee.