International.EInvoicing.Countries.Italy 1.1.0

dotnet add package International.EInvoicing.Countries.Italy --version 1.1.0
                    
NuGet\Install-Package International.EInvoicing.Countries.Italy -Version 1.1.0
                    
This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package.
<PackageReference Include="International.EInvoicing.Countries.Italy" Version="1.1.0" />
                    
For projects that support PackageReference, copy this XML node into the project file to reference the package.
<PackageVersion Include="International.EInvoicing.Countries.Italy" Version="1.1.0" />
                    
Directory.Packages.props
<PackageReference Include="International.EInvoicing.Countries.Italy" />
                    
Project file
For projects that support Central Package Management (CPM), copy this XML node into the solution Directory.Packages.props file to version the package.
paket add International.EInvoicing.Countries.Italy --version 1.1.0
                    
#r "nuget: International.EInvoicing.Countries.Italy, 1.1.0"
                    
#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package.
#:package International.EInvoicing.Countries.Italy@1.1.0
                    
#:package directive can be used in C# file-based apps starting in .NET 10 preview 4. Copy this into a .cs file before any lines of code to reference the package.
#addin nuget:?package=International.EInvoicing.Countries.Italy&version=1.1.0
                    
Install as a Cake Addin
#tool nuget:?package=International.EInvoicing.Countries.Italy&version=1.1.0
                    
Install as a Cake Tool

International.EInvoicing.Countries.Italy

What Italian electronic invoicing adds on top of the norms over Peppol.

ItalianEInvoicing italia = ItalianEInvoicing.Create();

EInvoice invoice = italia.Invoice()
    .WithNumber("2026-0001")
    .IssuedOn(new DateOnly(2026, 9, 1))
    .From(seller => italia.Describe(seller, "12345670009", "Fornitore Srl")
        .WithAddress(address =>
        {
            address.Line1 = "Via Roma 1";        // IT-R-002 to IT-R-004 want all three
            address.City = "Milano";
            address.PostCode = "20121";
            address.CountryCode = "IT";
        }))
    // …
    .Build();

Describe checks the partita IVA before writing it — eleven digits where odd positions count as themselves and even positions map through 0246813579, the total divisible by ten — and puts it in scheme 0211 and in BT-31 with its IT prefix. IT-R-002 to IT-R-004 require a street, a city and a postcode on an Italian party, where EN 16931 asks only for a country.

Worth knowing: Peppol's own check, u:checkPIVAseIT, reads the first two characters of the value and returns true for anything that does not begin IT. A partita IVA written bare — which is how scheme 0211 is normally used — is therefore never verified by the network, and a wrong one goes through unnoticed. This library checks it either way.

FatturaPA is not here. The format the SDI exchanges domestically is its own XML tree rather than a profile of EN 16931, and every invoice must carry a qualified electronic signature, which this library does not produce by design. It is a project rather than a profile — see the roadmap.

Full documentation: https://github.com/Epic-Dice-Studio/International.EInvoicing

Product Compatible and additional computed target framework versions.
.NET net8.0 is compatible.  net8.0-android was computed.  net8.0-browser was computed.  net8.0-ios was computed.  net8.0-maccatalyst was computed.  net8.0-macos was computed.  net8.0-tvos was computed.  net8.0-windows was computed.  net9.0 was computed.  net9.0-android was computed.  net9.0-browser was computed.  net9.0-ios was computed.  net9.0-maccatalyst was computed.  net9.0-macos was computed.  net9.0-tvos was computed.  net9.0-windows was computed.  net10.0 is compatible.  net10.0-android was computed.  net10.0-browser was computed.  net10.0-ios was computed.  net10.0-maccatalyst was computed.  net10.0-macos was computed.  net10.0-tvos was computed.  net10.0-windows was computed. 
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