"The wording of [CISG] Article 53 corresponds to that of Article 56 ULIS". Hager in Commentary on the UN Convention on the International Sale of Goods, Peter Schlechtriem ed. (Oxford 1998).
CISG Article 53 ULIS Article 56 The buyer must pay the The buyer shall pay the price for the goods and the price for the goods and take delivery of them as take delivery of them as required by the contract required by the contract and and this Convention. the present Law.