BT-1 Invoice number

BT-2 Invoice issue date

1..1

BT-3 Invoice type code

1..1

BT-5 Invoice currency code

BT-6 VAT accounting currency code

0..1

BT-7 Value added tax point date

BT-8 Value added tax point date code

0..1

BT-9 Payment due date

0..1

BT-10 Buyer reference

0..1

BT-11 Projectreference

BT-12 Contract reference

BT-13 Purchase order reference

1..1

BT-14 Sales order reference

BT-15 Receiving advice reference

BT-16 Despatch advice reference

BT-17 Tender or lot reference

BT-18 Invoiced object identifier

BT-19 Buyer accounting reference

BT-20 Payment terms

BG-1 INVOICE NOTE

BG-2 PROCESS CONTROL

BG-3 PRECEDING INVOICE REFERENCE

BG-4 SELLER

BG-7 BUYER

BG-10 PAYEE

BG-11 SELLER TAX REPRESENTATIVE PARTY

BG-13 DELIVERY INFORMATION

BG-16 PAYMENT INSTRUCTIONS

0..n

BG-20 DOCUMENT LEVEL ALLOWANCES

BG-21 DOCUMENT LEVEL CHARGES

BG-22 DOCUMENT TOTALS

BG-23 VAT BREAKDOWN

0..n

BG-24 ADDITIONAL SUPPORTING DOCUMENTS

0..n

BG-25 INVOICE LINE