2.1 urn:invovate.com:invoice:1.0 INV-2026-0001 2026-05-15 2026-06-14 380 EUR Northwind Studio Ltd 21 Old Street, London EC1V 9HL billing@northwind.example Globex UK Ltd 4 Kings Road, Manchester M1 2AB 480.00 480.00 Tax VAT 2400.00 2400.00 2880.00 0.00 2880.00 1 1 2400.00 UX design retainer 2400.00