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Documentation overview
Glossary
E
EN 16931
E-reporting
e-Factura RO
EAS (Electronic Address Scheme)
ebInterface
C
CIUS
CII
Code list
Credit note
Contract reference
Chorus Pro
Codice Destinatario
X
XRechnung
XML Schema (XSD)
XML
Z
ZUGFeRD
F
Factur-X
Finvoice
U
UBL
Unit code
P
PEPPOL
PEPPOL BIS
Participant ID
PDF/A-3
Payment means
Purchase order (PO)
PDP (Plateforme de Dématérialisation Partenaire)
A
Access Point
Allowance / charge
S
SMP
SML
Schematron
SDI (Sistema di Interscambio)
Svefaktura
L
Leitweg-ID
K
KoSIT
KSeF
KvK number
V
Validation
VAT ID
ViDA
VeriFactu
ViDA Pillar 1: Digital Reporting Requirements
ViDA Pillar 2: Single VAT Registration
ViDA Pillar 3: Platform Economy
B
Business Term (BT)
Business Group (BG)
BIC
R
Reverse charge
Real-time reporting
Real-time invoice reporting (RTIR)
T
Tax category
TicketBAI
I
IBAN
Invoice type code
Invoice line item
ISO 6523
D
Document reference
D-U-N-S Number
Digipoort
Q
QR code payment
G
GLN (Global Location Number)
O
OVT-tunnus
OIOUBL
N
NemHandel
Code Lists
XRechnung Fields
ZUGFeRD Profiles
  3. E-Invoicing Resources
  5. Glossary
  7. Contract reference

Reference

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Contract reference

Identifier linking an invoice to a contract or framework agreement.

DefinitionExplanationRelated resourcesRelated terms

Definition#

Identifier linking an invoice to a contract or framework agreement.

Explanation#

Frequently required in public sector and large enterprise billing.

Helps compliance, reporting, and dispute resolution.

Related resources#

XRechnung guide

Related terms#

Document reference

Link from an invoice to another document (order, contract, prior invoice).

Purchase order (PO)

Buyer-issued document ordering goods/services, often referenced by an invoice.

Purchase order (PO)Invoice line item
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DefinitionExplanationRelated resourcesRelated terms

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