Invoicing. 1. (1) The contractor shall account for his supplies and services in a verifiable form. To this effect he shall prepare traceable invoices, observing the sequence of items as agreed in the contract and using the designations contained in the contract documents; moreover, he shall meet other requirements with regard to invoice forms as stipulated in the contract and provide evidence of the type and scope of supplies and services by means of supporting documents in the customary form. Invoiced amounts to be paid for alterations and additional supplies shall be listed separately or specifically identified by reference to the relevant agreements.
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Samples: www.stiftung-evz.de, www.uni-mannheim.de, vergabemarktplatz.brandenburg.de
