% !TeX Program=lualatex
%
% Demo file for the LaTeX-ZUGFeRD project
% This file corresponds to version 0.10 (2025-09-22)
%
% Copyright (C) 2024 Marei Peischl <marei@peitex.de>
% ---------------------------------------------------------
%
% This file may be distributed and/or modified under the
% conditions of the LaTeX Project Public License, either version 1.3c
% of this license or (at your option) any later version.
% The latest version of this license is in:
%
%    http://www.latex-project.org/lppl.txt
%
% and version 1.3c or later is part of all distributions of LaTeX
% version 2008-05-04 or later.
%
\DocumentMetadata{
	pdfversion=1.7, % necessary as it would be 2.0 by default for the current releas
	pdfstandard=a-3b,
	lang=de,	
}
\documentclass[parskip=half-,german]{scrartcl}

\usepackage[
	format=xrechnung3.0% 3.0 is the default anyway, but you can select the format to avoid automatic changes.
	%format=basic
]{zugferd-invoice}

\setkomavar{invoice}{2024:1337}
\setkomavar{date}{{\InsertZUGFeRDData[set-today]{date}\today}}
\setkomavar{title}{Rechnung}

\SetZUGFeRDData{
%	document-type =  commercial-invoice, % commented as this setting matches the initial value
	id=komavar,
%	date=auto, % commented as this setting matches the initial value
%	delivery-date = auto, % commented as this setting matches the initial value
	subject=komavar,
	fromaddress=komavar,
	unit=hour,
	seller/vatid = {DE123456789},
%	seller/id=1123,% If no VatID exists a seller/id is required. This might be an ID provided by the buyer
	seller/name = {Kleinunternehmer*in X},
	seller/postcode = {20253},
	seller/city ={Hamburg},
	seller/country = DE,
	seller/address = {Address 1},
	seller/contact= {Marei\\+4900000000\\marei@peitex.de},
	seller/email = {kontakt@peitex.de},
	seller/taxid=XXXXX,
	buyer/reference = {buyer-reference}, %oder Leitweg-ID
	buyer/name = {Käufer Name},
	buyer/postcode = {20253},
	buyer/city ={Hamburg},
	buyer/country = DE,
	buyer/address = {Address 1\\Address 2},
	buyer/vatid = {DE123456789},
	buyer/email = {invoice@example.org},
	currency=€,
	payment-terms={Zahlbar innerhalb von 14 Tagen},% either this one or the due-date below is required
	due-date={20240118},
	payment-means / type = 58, % SEPA Übereisung,
	payment-means / iban = DE68430609671013251700,
	payment-means / account-holder = Marei Peischl,
	payment-means / bic =GENODEM1GLS,
	tax/add-exemption-reason-auto={E={{Kein Ausweis von Umsatzsteuer, da Kleinunternehmer*in gemäß § 19 UStG}}}
}

\InitVATExempt{E}% Intra-community supply

\AddInvoiceItem<unit=hour>[E]{3}{Support}{90}

\setkomavar{firsthead}{%
	\InsertZUGFeRDData[AddressData]{seller}\\
	Steuernummer: \UseZUGFeRDAddressItem{seller}{taxid}\\
	Umsatzsteuer-ID: \UseZUGFeRDAddressItem{seller}{vatid}\\
	IBAN: \InsertZUGFeRDData{payment-means/iban}
}

\begin{document}
\begin{letter}{\InsertZUGFeRDData[AddressData]{buyer}}
\opening{Guten Tag,}

hiermit stelle ich Ihnen meine Arbeit im Rahmen des Projektes XX in Rechnung. Die Leistung wurde im Januar 2024 erbracht. 

\PrintInvoiceTabular
Ich bitte Sie oben genannte Betrag binnen 30 Tagen auf oben genanntes Konto zu überweisen.

%Falls gewünscht
\closing{Happy \TeX{}ing}

\end{letter}
\end{document}