EpicDiceStudio 

Core building blocks of International.EInvoicing: the EN 16931 canonical invoice model, the raw-preserving Field<T> value system, the diagnostic engine, the format/country registry and the hardened XML... More information

Runs official Schematron rule sets against invoices, as data rather than as generated code, so a rule set stays correct when its publisher revises it. Includes the XPath subset the published artefacts... More information

Reads and writes UN/CEFACT Cross Industry Invoice (D22B) documents for International.EInvoicing, mapping them to and from the EN 16931 canonical model while preserving the raw text of every field. CII is... More information

Reads and writes OASIS UBL 2.1 invoices and credit notes for International.EInvoicing, mapping them to and from the EN 16931 canonical model while preserving the raw text of every field.

Factur-X and ZUGFeRD hybrid invoices for International.EInvoicing: the five profiles, and the orchestration that pairs a CII payload with its PDF container. The PDF work sits behind an abstraction,... More information

Reads and writes UN/CEFACT Cross Domain Acknowledgement and Response messages: the lifecycle statuses that say what happened to an invoice after it was sent. Generic by design, so a national profiling it... More information

The EN 16931 validation artefacts, ready to run: the published Schematron rules for UBL and CII, embedded so validation works offline and ships with the version it was tested against.

Electronic invoicing for .NET, in one package: hand it a stream and get back an invoice, a credit note or a lifecycle status, whatever syntax it arrived in. Includes UBL 2.1, UN/CEFACT CII, Factur-X,... More information

Peppol BIS Billing 3.0 for International.EInvoicing: the profiles, the electronic address schemes (EAS), participant identifiers, and the registration that puts the published Peppol rules to work once... More information

The XRechnung validation artefacts, ready to run: the German CIUS rules for UBL and CII, embedded so validation works offline and ships with the version it was tested against.

What Dutch electronic invoicing adds on top of the norms: the Peppol BIS profile, and the KvK and OIN legal entity identifiers the Dutch rules require on both parties.

What Swedish electronic invoicing adds on top of the norms: the Peppol BIS profile Sweden exchanges, the organisation number with its Luhn check, and the Bankgiro and Plusgiro payment identifiers.

What French electronic invoicing adds on top of the norms: the lifecycle statuses of the 2026 reform, their codes, and a builder that fills in what each status implies.

What Norwegian electronic invoicing adds on top of the norms: EHF 3.0, the national CIUS of Peppol BIS Billing, and the organisation number with its modulo 11 check.

What Croatian electronic invoicing adds on top of the norms: the OIB both parties must carry under the Fiskalizacija 2.0 mandate, and the Peppol BIS profile it is exchanged in.

The default PDF implementation for International.EInvoicing.FacturX, built on PDFsharp: embeds the CII payload into a PDF and extracts it back out, with the Factur-X XMP metadata.

What Icelandic electronic invoicing adds on top of the norms: the Peppol BIS profile, and the kennitala the Icelandic rules require on both parties.

What German electronic invoicing adds on top of the norms: the XRechnung profiles for both syntaxes, and the Leitweg-ID with its check digit.

What Danish electronic invoicing adds on top of the norms: the Peppol BIS profile NemHandel carries, and the CVR, SE and P numbers in the schemes Peppol reserves for them.

What Belgian electronic invoicing adds on top of the norms: the Peppol BIS profile the 2026 mandate is built on, the KBO/BCE enterprise number, and the structured payment communication.