the references of the Supplies of Products covered by the invoice

[tursik]

Помогите, пожалуйста перевести пункт d) в нижеследующем контексте:

The invoices shall be drafted in duplicate and shall include, in addition to the legal notices, the following information:
a) the Supplier’s intra-community VAT code20,
b) the references or identification number of the Agreement,
c) the Supplier’s bank details,
d) the references of the Supplies of Products covered by the invoice,

Спасибо.