[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"docs:api\u002FQuittio\u002FCountry\u002FDE\u002FRules\u002FUstgRules":3},{"versions":4,"version":26,"nav":28,"path":106,"kind":107,"page":108},[5,10,13,16,18,20,22,24],{"name":6,"label":7,"prefix":8,"channel":9},"0.7","0.7 (latest)","","latest",{"name":11,"label":12,"prefix":11,"channel":11},"next","next (unreleased)",{"name":14,"label":14,"prefix":14,"channel":15},"0.6","old",{"name":17,"label":17,"prefix":17,"channel":15},"0.5",{"name":19,"label":19,"prefix":19,"channel":15},"0.4",{"name":21,"label":21,"prefix":21,"channel":15},"0.3",{"name":23,"label":23,"prefix":23,"channel":15},"0.2",{"name":25,"label":25,"prefix":25,"channel":15},"0.1",{"name":6,"label":7,"prefix":8,"channel":9,"base":27},"\u002Fdocs",[29,33,36,39,42,45,48,51,54,57,60,63,66,69,72,75,78,81,84,87,91,94,97,100,103],{"slug":30,"title":31,"preview":32},"index","Home",false,{"slug":34,"title":35,"preview":32},"getting-started","Getting started",{"slug":37,"title":38,"preview":32},"concepts","E-invoicing basics",{"slug":40,"title":41,"preview":32},"examples","Examples",{"slug":43,"title":44,"preview":32},"building-invoices","Building invoices",{"slug":46,"title":47,"preview":32},"formats","Formats and profiles",{"slug":49,"title":50,"preview":32},"validation","Validation",{"slug":52,"title":53,"preview":32},"templates","Templates and design",{"slug":55,"title":56,"preview":32},"documents","Quotes and other documents",{"slug":58,"title":59,"preview":32},"reading","Reading incoming invoices",{"slug":61,"title":62,"preview":32},"laravel","Laravel integration",{"slug":64,"title":65,"preview":32},"configuration","Configuration",{"slug":67,"title":68,"preview":32},"commands","Artisan commands",{"slug":70,"title":71,"preview":32},"testing","Testing",{"slug":73,"title":74,"preview":32},"country-packs","Country packs",{"slug":76,"title":77,"parent":74,"preview":32},"country-at","Austria",{"slug":79,"title":80,"parent":74,"preview":32},"country-be","Belgium",{"slug":82,"title":83,"parent":74,"preview":32},"country-ch","Switzerland",{"slug":85,"title":86,"parent":74,"preview":32},"country-fr","France",{"slug":88,"title":89,"preview":90},"managed","Managed layer (preview)",true,{"slug":92,"title":93,"preview":32},"troubleshooting","Troubleshooting",{"slug":95,"title":96,"preview":32},"faq","FAQ",{"slug":98,"title":99,"preview":32},"compatibility","Versioning and compatibility",{"slug":101,"title":102,"preview":32},"field-reference","Field reference",{"slug":104,"title":105,"preview":32},"ai","AI assistants","api\u002FQuittio\u002FCountry\u002FDE\u002FRules\u002FUstgRules","api",{"title":109,"description":110,"html":111,"headings":112},"UstgRules","Mandatory invoice information according to the German VAT act: section 14 (4) and 14a UStG, section 33 UStDV for small amount invoices and section 34a UStDV for small business invoices.","\u003Cp class=\"q-api-crumbs\">\u003Ca href=\"\u002Fdocs\u002Fapi\">API reference\u003C\u002Fa> \u002F \u003Ca href=\"\u002Fdocs\u002Fapi\u002FQuittio\">Quittio\u003C\u002Fa> \\ \u003Ca href=\"\u002Fdocs\u002Fapi\u002FQuittio\u002FCountry\">Country\u003C\u002Fa> \\ \u003Ca href=\"\u002Fdocs\u002Fapi\u002FQuittio\u002FCountry\u002FDE\">DE\u003C\u002Fa> \\ \u003Ca href=\"\u002Fdocs\u002Fapi\u002FQuittio\u002FCountry\u002FDE\u002FRules\">Rules\u003C\u002Fa>\u003C\u002Fp>\n\u003Ch1>UstgRules\u003C\u002Fh1>\n\u003Cp class=\"q-api-facts\">\u003Cspan class=\"q-api-badge q-api-badge-kind\">final class\u003C\u002Fspan> in \u003Cspan class=\"q-api-badge\">quittio\u002Fcountry-de\u003C\u002Fspan>\u003C\u002Fp>\n\u003Cp class=\"q-api-name\">\u003Ccode>Quittio\\Country\\DE\\Rules\\UstgRules\u003C\u002Fcode> · \u003Ca href=\"https:\u002F\u002Fgithub.com\u002FQuittio\u002Fquittio\u002Fblob\u002Fv0.7.1\u002Fpackages\u002Fcountry-de\u002Fsrc\u002FRules\u002FUstgRules.php#L36\">Source\u003C\u002Fa>\u003C\u002Fp>\n\n\u003Cp class=\"q-doc-lead\">Mandatory invoice information according to the German VAT act: section 14 (4) and 14a UStG, section 33 UStDV for small amount invoices and section 34a UStDV for small business invoices.\u003C\u002Fp>\n\u003Cp>These rules apply to every invoice of a German seller, independent of the format.\u003C\u002Fp>\n\n\u003Ch2 id=\"methods\">Methods\u003Ca class=\"q-doc-anchor\" href=\"#methods\" aria-label=\"Link to this section\">#\u003C\u002Fa>\u003C\u002Fh2>\n\u003Ctable class=\"q-doc-table q-stack-table q-api-summary\">\u003Cthead>\u003Ctr>\u003Cth>Method\u003C\u002Fth>\u003Cth>Description\u003C\u002Fth>\u003C\u002Ftr>\u003C\u002Fthead>\u003Ctbody>\n\u003Ctr>\u003Ctd>\u003Ca href=\"#method-all\">\u003Ccode>::all()\u003C\u002Fcode>\u003C\u002Fa>\u003C\u002Ftd>\u003Ctd data-label=\"Description\">\u003C\u002Ftd>\u003C\u002Ftr>\n\u003Ctr>\u003Ctd>\u003Ca href=\"#method-hasServiceDate\">\u003Ccode>::hasServiceDate()\u003C\u002Fcode>\u003C\u002Fa>\u003C\u002Ftd>\u003Ctd data-label=\"Description\">Whether the invoice states the date of the supply (section 14 (4) no. 6 UStG): a delivery date, an invoicing period or a period on every line.\u003C\u002Ftd>\u003C\u002Ftr>\n\u003Ctr>\u003Ctd>\u003Ca href=\"#method-isSmallAmountInvoice\">\u003Ccode>::isSmallAmountInvoice()\u003C\u002Fcode>\u003C\u002Fa>\u003C\u002Ftd>\u003Ctd data-label=\"Description\">Small amount invoice according to section 33 UStDV whose simplifications apply: not for supplies under sections 6a and 13b UStG (section 33 sentence 3 UStDV). Possible distance sales (section 3c UStG) keep the simplifications and get a DE-USTG-12 warning.\u003C\u002Ftd>\u003C\u002Ftr>\n\u003Ctr>\u003Ctd>\u003Ca href=\"#method-isSmallBusinessInvoice\">\u003Ccode>::isSmallBusinessInvoice()\u003C\u002Fcode>\u003C\u002Fa>\u003C\u002Ftd>\u003Ctd data-label=\"Description\">Invoice of a small business (section 19 UStG, invoice according to section 34a UStDV): the small business flag is set or a line uses VatPreset::SmallBusiness.\u003C\u002Ftd>\u003C\u002Ftr>\n\u003Ctr>\u003Ctd>\u003Ca href=\"#method-issuingDeadline\">\u003Ccode>::issuingDeadline()\u003C\u002Fcode>\u003C\u002Fa>\u003C\u002Ftd>\u003Ctd data-label=\"Description\">The 15th day of the month after the supply (section 14a (1) sentence 2 and (3) sentence 1 UStG), see supplyDate(); null without a supply date (see DE-USTG-03).\u003C\u002Ftd>\u003C\u002Ftr>\n\u003Ctr>\u003Ctd>\u003Ca href=\"#method-plausibility\">\u003Ccode>::plausibility()\u003C\u002Fcode>\u003C\u002Fa>\u003C\u002Ftd>\u003Ctd data-label=\"Description\">Plausibility of the Leitweg-ID (level L7). For public buyers (XRechnung or a Leitweg-ID endpoint, BT-49 scheme 0204) wrong check digits are a warning. Other business buyers in Germany get an info for a buyer reference shaped like a Leitweg-ID with wrong check digits: it may be a mistyped Leitweg-ID, which does not lead to XRechnung, or an ordinary order number.\u003C\u002Ftd>\u003C\u002Ftr>\n\u003Ctr>\u003Ctd>\u003Ca href=\"#method-supplyDate\">\u003Ccode>::supplyDate()\u003C\u002Fcode>\u003C\u002Fa>\u003C\u002Ftd>\u003Ctd data-label=\"Description\">The date of the supply that the invoice states: the latest of the delivery date, the end of the invoicing period and the ends of the line periods; null without any of them.\u003C\u002Ftd>\u003C\u002Ftr>\n\u003C\u002Ftbody>\u003C\u002Ftable>\n\u003Csection class=\"q-api-member\" id=\"method-all\">\n\u003Ch3>\u003Ccode>all()\u003C\u002Fcode>\u003Ca class=\"q-doc-anchor\" href=\"#method-all\" aria-label=\"Link to this method\">#\u003C\u002Fa>\u003C\u002Fh3>\n\u003Cdiv class=\"q-doc-code q-doc-code-plain\">\u003Cpre class=\"shiki github-dark-default\" style=\"background-color:#0d1117;color:#e6edf3\" tabindex=\"0\">\u003Ccode>\u003Cspan class=\"line\" style=\"padding-left:2ch;text-indent:-2ch\">\u003Cspan style=\"color:#FF7B72\">public\u003C\u002Fspan>\u003Cspan style=\"color:#FF7B72\"> static\u003C\u002Fspan>\u003Cspan style=\"color:#FF7B72\"> function\u003C\u002Fspan>\u003Cspan style=\"color:#D2A8FF\"> all\u003C\u002Fspan>\u003Cspan style=\"color:#E6EDF3\">(): list&#x3C;Rule>\u003C\u002Fspan>\u003C\u002Fspan>\u003C\u002Fcode>\u003C\u002Fpre>\u003C\u002Fdiv>\n\u003Cp class=\"q-api-tags\">\u003Cspan class=\"q-api-badge\">static\u003C\u002Fspan>\u003C\u002Fp>\n\n\n\u003Cdl class=\"q-api-dl\">\n\u003Cdt>Returns\u003C\u002Fdt>\u003Cdd>\u003Ccode>list&lt;\u003Ca href=\"\u002Fdocs\u002Fapi\u002FQuittio\u002FCore\u002FValidation\u002FRule\">Rule\u003C\u002Fa>&gt;\u003C\u002Fcode>\u003C\u002Fdd>\n\u003C\u002Fdl>\n\u003C\u002Fsection>\n\u003Csection class=\"q-api-member\" id=\"method-hasServiceDate\">\n\u003Ch3>\u003Ccode>hasServiceDate()\u003C\u002Fcode>\u003Ca class=\"q-doc-anchor\" href=\"#method-hasServiceDate\" aria-label=\"Link to this method\">#\u003C\u002Fa>\u003C\u002Fh3>\n\u003Cdiv class=\"q-doc-code q-doc-code-plain\">\u003Cpre class=\"shiki github-dark-default\" style=\"background-color:#0d1117;color:#e6edf3\" tabindex=\"0\">\u003Ccode>\u003Cspan class=\"line\" style=\"padding-left:2ch;text-indent:-2ch\">\u003Cspan style=\"color:#FF7B72\">public\u003C\u002Fspan>\u003Cspan style=\"color:#FF7B72\"> static\u003C\u002Fspan>\u003Cspan style=\"color:#FF7B72\"> function\u003C\u002Fspan>\u003Cspan style=\"color:#D2A8FF\"> hasServiceDate\u003C\u002Fspan>\u003Cspan style=\"color:#E6EDF3\">(\u003C\u002Fspan>\u003Cspan style=\"color:#79C0FF\">InvoiceData\u003C\u002Fspan>\u003Cspan style=\"color:#E6EDF3\"> $invoice)\u003C\u002Fspan>\u003Cspan style=\"color:#FF7B72\">:\u003C\u002Fspan>\u003Cspan style=\"color:#FF7B72\"> bool\u003C\u002Fspan>\u003C\u002Fspan>\u003C\u002Fcode>\u003C\u002Fpre>\u003C\u002Fdiv>\n\u003Cp class=\"q-api-tags\">\u003Cspan class=\"q-api-badge\">static\u003C\u002Fspan>\u003C\u002Fp>\n\n\u003Cp>Whether the invoice states the date of the supply (section 14 (4) no. 6 UStG): a delivery date, an invoicing period or a period on every line.\u003C\u002Fp>\n\n\u003Ctable class=\"q-doc-table q-stack-table\">\u003Cthead>\u003Ctr>\u003Cth>Parameter\u003C\u002Fth>\u003Cth>Type\u003C\u002Fth>\u003Cth>Description\u003C\u002Fth>\u003C\u002Ftr>\u003C\u002Fthead>\u003Ctbody>\n\u003Ctr>\u003Ctd>\u003Ccode>$invoice\u003C\u002Fcode>\u003C\u002Ftd>\u003Ctd data-label=\"Type\">\u003Ccode>\u003Ca href=\"\u002Fdocs\u002Fapi\u002FQuittio\u002FCore\u002FData\u002FInvoiceData\">InvoiceData\u003C\u002Fa>\u003C\u002Fcode>\u003C\u002Ftd>\u003Ctd data-label=\"Description\">\u003C\u002Ftd>\u003C\u002Ftr>\n\u003C\u002Ftbody>\u003C\u002Ftable>\n\u003Cdl class=\"q-api-dl\">\n\u003Cdt>Returns\u003C\u002Fdt>\u003Cdd>\u003Ccode>bool\u003C\u002Fcode>\u003C\u002Fdd>\n\u003C\u002Fdl>\n\u003C\u002Fsection>\n\u003Csection class=\"q-api-member\" id=\"method-isSmallAmountInvoice\">\n\u003Ch3>\u003Ccode>isSmallAmountInvoice()\u003C\u002Fcode>\u003Ca class=\"q-doc-anchor\" href=\"#method-isSmallAmountInvoice\" aria-label=\"Link to this method\">#\u003C\u002Fa>\u003C\u002Fh3>\n\u003Cdiv class=\"q-doc-code q-doc-code-plain\">\u003Cpre class=\"shiki github-dark-default\" style=\"background-color:#0d1117;color:#e6edf3\" tabindex=\"0\">\u003Ccode>\u003Cspan class=\"line\" style=\"padding-left:2ch;text-indent:-2ch\">\u003Cspan style=\"color:#FF7B72\">public\u003C\u002Fspan>\u003Cspan style=\"color:#FF7B72\"> static\u003C\u002Fspan>\u003Cspan style=\"color:#FF7B72\"> function\u003C\u002Fspan>\u003Cspan style=\"color:#D2A8FF\"> isSmallAmountInvoice\u003C\u002Fspan>\u003Cspan style=\"color:#E6EDF3\">(\u003C\u002Fspan>\u003Cspan style=\"color:#79C0FF\">InvoiceData\u003C\u002Fspan>\u003Cspan style=\"color:#E6EDF3\"> $invoice)\u003C\u002Fspan>\u003Cspan style=\"color:#FF7B72\">:\u003C\u002Fspan>\u003Cspan style=\"color:#FF7B72\"> bool\u003C\u002Fspan>\u003C\u002Fspan>\u003C\u002Fcode>\u003C\u002Fpre>\u003C\u002Fdiv>\n\u003Cp class=\"q-api-tags\">\u003Cspan class=\"q-api-badge\">static\u003C\u002Fspan>\u003C\u002Fp>\n\n\u003Cp>Small amount invoice according to section 33 UStDV whose simplifications apply: not for supplies under sections 6a and 13b UStG (section 33 sentence 3 UStDV). Possible distance sales (section 3c UStG) keep the simplifications and get a DE-USTG-12 warning.\u003C\u002Fp>\n\n\u003Ctable class=\"q-doc-table q-stack-table\">\u003Cthead>\u003Ctr>\u003Cth>Parameter\u003C\u002Fth>\u003Cth>Type\u003C\u002Fth>\u003Cth>Description\u003C\u002Fth>\u003C\u002Ftr>\u003C\u002Fthead>\u003Ctbody>\n\u003Ctr>\u003Ctd>\u003Ccode>$invoice\u003C\u002Fcode>\u003C\u002Ftd>\u003Ctd data-label=\"Type\">\u003Ccode>\u003Ca href=\"\u002Fdocs\u002Fapi\u002FQuittio\u002FCore\u002FData\u002FInvoiceData\">InvoiceData\u003C\u002Fa>\u003C\u002Fcode>\u003C\u002Ftd>\u003Ctd data-label=\"Description\">\u003C\u002Ftd>\u003C\u002Ftr>\n\u003C\u002Ftbody>\u003C\u002Ftable>\n\u003Cdl class=\"q-api-dl\">\n\u003Cdt>Returns\u003C\u002Fdt>\u003Cdd>\u003Ccode>bool\u003C\u002Fcode>\u003C\u002Fdd>\n\u003C\u002Fdl>\n\u003C\u002Fsection>\n\u003Csection class=\"q-api-member\" id=\"method-isSmallBusinessInvoice\">\n\u003Ch3>\u003Ccode>isSmallBusinessInvoice()\u003C\u002Fcode>\u003Ca class=\"q-doc-anchor\" href=\"#method-isSmallBusinessInvoice\" aria-label=\"Link to this method\">#\u003C\u002Fa>\u003C\u002Fh3>\n\u003Cdiv class=\"q-doc-code q-doc-code-plain\">\u003Cpre class=\"shiki github-dark-default\" style=\"background-color:#0d1117;color:#e6edf3\" tabindex=\"0\">\u003Ccode>\u003Cspan class=\"line\" style=\"padding-left:2ch;text-indent:-2ch\">\u003Cspan style=\"color:#FF7B72\">public\u003C\u002Fspan>\u003Cspan style=\"color:#FF7B72\"> static\u003C\u002Fspan>\u003Cspan style=\"color:#FF7B72\"> function\u003C\u002Fspan>\u003Cspan style=\"color:#D2A8FF\"> isSmallBusinessInvoice\u003C\u002Fspan>\u003Cspan style=\"color:#E6EDF3\">(\u003C\u002Fspan>\u003Cspan style=\"color:#79C0FF\">InvoiceData\u003C\u002Fspan>\u003Cspan style=\"color:#E6EDF3\"> $invoice)\u003C\u002Fspan>\u003Cspan style=\"color:#FF7B72\">:\u003C\u002Fspan>\u003Cspan style=\"color:#FF7B72\"> bool\u003C\u002Fspan>\u003C\u002Fspan>\u003C\u002Fcode>\u003C\u002Fpre>\u003C\u002Fdiv>\n\u003Cp class=\"q-api-tags\">\u003Cspan class=\"q-api-badge\">static\u003C\u002Fspan>\u003C\u002Fp>\n\n\u003Cp>Invoice of a small business (section 19 UStG, invoice according to section 34a UStDV): the small business flag is set or a line uses VatPreset::SmallBusiness.\u003C\u002Fp>\n\n\u003Ctable class=\"q-doc-table q-stack-table\">\u003Cthead>\u003Ctr>\u003Cth>Parameter\u003C\u002Fth>\u003Cth>Type\u003C\u002Fth>\u003Cth>Description\u003C\u002Fth>\u003C\u002Ftr>\u003C\u002Fthead>\u003Ctbody>\n\u003Ctr>\u003Ctd>\u003Ccode>$invoice\u003C\u002Fcode>\u003C\u002Ftd>\u003Ctd data-label=\"Type\">\u003Ccode>\u003Ca href=\"\u002Fdocs\u002Fapi\u002FQuittio\u002FCore\u002FData\u002FInvoiceData\">InvoiceData\u003C\u002Fa>\u003C\u002Fcode>\u003C\u002Ftd>\u003Ctd data-label=\"Description\">\u003C\u002Ftd>\u003C\u002Ftr>\n\u003C\u002Ftbody>\u003C\u002Ftable>\n\u003Cdl class=\"q-api-dl\">\n\u003Cdt>Returns\u003C\u002Fdt>\u003Cdd>\u003Ccode>bool\u003C\u002Fcode>\u003C\u002Fdd>\n\u003C\u002Fdl>\n\u003C\u002Fsection>\n\u003Csection class=\"q-api-member\" id=\"method-issuingDeadline\">\n\u003Ch3>\u003Ccode>issuingDeadline()\u003C\u002Fcode>\u003Ca class=\"q-doc-anchor\" href=\"#method-issuingDeadline\" aria-label=\"Link to this method\">#\u003C\u002Fa>\u003C\u002Fh3>\n\u003Cdiv class=\"q-doc-code q-doc-code-plain\">\u003Cpre class=\"shiki github-dark-default\" style=\"background-color:#0d1117;color:#e6edf3\" tabindex=\"0\">\u003Ccode>\u003Cspan class=\"line\" style=\"padding-left:2ch;text-indent:-2ch\">\u003Cspan style=\"color:#FF7B72\">public\u003C\u002Fspan>\u003Cspan style=\"color:#FF7B72\"> static\u003C\u002Fspan>\u003Cspan style=\"color:#FF7B72\"> function\u003C\u002Fspan>\u003Cspan style=\"color:#D2A8FF\"> issuingDeadline\u003C\u002Fspan>\u003Cspan style=\"color:#E6EDF3\">(\u003C\u002Fspan>\u003Cspan style=\"color:#79C0FF\">InvoiceData\u003C\u002Fspan>\u003Cspan style=\"color:#E6EDF3\"> $invoice)\u003C\u002Fspan>\u003Cspan style=\"color:#FF7B72\">:\u003C\u002Fspan>\u003Cspan style=\"color:#FF7B72\"> ?\u003C\u002Fspan>\u003Cspan style=\"color:#79C0FF\">Date\u003C\u002Fspan>\u003C\u002Fspan>\u003C\u002Fcode>\u003C\u002Fpre>\u003C\u002Fdiv>\n\u003Cp class=\"q-api-tags\">\u003Cspan class=\"q-api-badge\">static\u003C\u002Fspan>\u003C\u002Fp>\n\n\u003Cp>The 15th day of the month after the supply (section 14a (1) sentence 2 and (3) sentence 1 UStG), see supplyDate(); null without a supply date (see DE-USTG-03).\u003C\u002Fp>\n\n\u003Ctable class=\"q-doc-table q-stack-table\">\u003Cthead>\u003Ctr>\u003Cth>Parameter\u003C\u002Fth>\u003Cth>Type\u003C\u002Fth>\u003Cth>Description\u003C\u002Fth>\u003C\u002Ftr>\u003C\u002Fthead>\u003Ctbody>\n\u003Ctr>\u003Ctd>\u003Ccode>$invoice\u003C\u002Fcode>\u003C\u002Ftd>\u003Ctd data-label=\"Type\">\u003Ccode>\u003Ca href=\"\u002Fdocs\u002Fapi\u002FQuittio\u002FCore\u002FData\u002FInvoiceData\">InvoiceData\u003C\u002Fa>\u003C\u002Fcode>\u003C\u002Ftd>\u003Ctd data-label=\"Description\">\u003C\u002Ftd>\u003C\u002Ftr>\n\u003C\u002Ftbody>\u003C\u002Ftable>\n\u003Cdl class=\"q-api-dl\">\n\u003Cdt>Returns\u003C\u002Fdt>\u003Cdd>\u003Ccode>?\u003Ca href=\"\u002Fdocs\u002Fapi\u002FQuittio\u002FCore\u002FSupport\u002FDate\">Date\u003C\u002Fa>\u003C\u002Fcode>\u003C\u002Fdd>\n\u003C\u002Fdl>\n\u003C\u002Fsection>\n\u003Csection class=\"q-api-member\" id=\"method-plausibility\">\n\u003Ch3>\u003Ccode>plausibility()\u003C\u002Fcode>\u003Ca class=\"q-doc-anchor\" href=\"#method-plausibility\" aria-label=\"Link to this method\">#\u003C\u002Fa>\u003C\u002Fh3>\n\u003Cdiv class=\"q-doc-code q-doc-code-plain\">\u003Cpre class=\"shiki github-dark-default\" style=\"background-color:#0d1117;color:#e6edf3\" tabindex=\"0\">\u003Ccode>\u003Cspan class=\"line\" style=\"padding-left:2ch;text-indent:-2ch\">\u003Cspan style=\"color:#FF7B72\">public\u003C\u002Fspan>\u003Cspan style=\"color:#FF7B72\"> static\u003C\u002Fspan>\u003Cspan style=\"color:#FF7B72\"> function\u003C\u002Fspan>\u003Cspan style=\"color:#D2A8FF\"> plausibility\u003C\u002Fspan>\u003Cspan style=\"color:#E6EDF3\">(): list&#x3C;Rule>\u003C\u002Fspan>\u003C\u002Fspan>\u003C\u002Fcode>\u003C\u002Fpre>\u003C\u002Fdiv>\n\u003Cp class=\"q-api-tags\">\u003Cspan class=\"q-api-badge\">static\u003C\u002Fspan>\u003C\u002Fp>\n\n\u003Cp>Plausibility of the Leitweg-ID (level L7). For public buyers (XRechnung or a Leitweg-ID endpoint, BT-49 scheme 0204) wrong check digits are a warning. Other business buyers in Germany get an info for a buyer reference shaped like a Leitweg-ID with wrong check digits: it may be a mistyped Leitweg-ID, which does not lead to XRechnung, or an ordinary order number.\u003C\u002Fp>\n\n\u003Cdl class=\"q-api-dl\">\n\u003Cdt>Returns\u003C\u002Fdt>\u003Cdd>\u003Ccode>list&lt;\u003Ca href=\"\u002Fdocs\u002Fapi\u002FQuittio\u002FCore\u002FValidation\u002FRule\">Rule\u003C\u002Fa>&gt;\u003C\u002Fcode>\u003C\u002Fdd>\n\u003C\u002Fdl>\n\u003C\u002Fsection>\n\u003Csection class=\"q-api-member\" id=\"method-supplyDate\">\n\u003Ch3>\u003Ccode>supplyDate()\u003C\u002Fcode>\u003Ca class=\"q-doc-anchor\" href=\"#method-supplyDate\" aria-label=\"Link to this method\">#\u003C\u002Fa>\u003C\u002Fh3>\n\u003Cdiv class=\"q-doc-code q-doc-code-plain\">\u003Cpre class=\"shiki github-dark-default\" style=\"background-color:#0d1117;color:#e6edf3\" tabindex=\"0\">\u003Ccode>\u003Cspan class=\"line\" style=\"padding-left:2ch;text-indent:-2ch\">\u003Cspan style=\"color:#FF7B72\">public\u003C\u002Fspan>\u003Cspan style=\"color:#FF7B72\"> static\u003C\u002Fspan>\u003Cspan style=\"color:#FF7B72\"> function\u003C\u002Fspan>\u003Cspan style=\"color:#D2A8FF\"> supplyDate\u003C\u002Fspan>\u003Cspan style=\"color:#E6EDF3\">(\u003C\u002Fspan>\u003Cspan style=\"color:#79C0FF\">InvoiceData\u003C\u002Fspan>\u003Cspan style=\"color:#E6EDF3\"> $invoice)\u003C\u002Fspan>\u003Cspan style=\"color:#FF7B72\">:\u003C\u002Fspan>\u003Cspan style=\"color:#FF7B72\"> ?\u003C\u002Fspan>\u003Cspan style=\"color:#79C0FF\">Date\u003C\u002Fspan>\u003C\u002Fspan>\u003C\u002Fcode>\u003C\u002Fpre>\u003C\u002Fdiv>\n\u003Cp class=\"q-api-tags\">\u003Cspan class=\"q-api-badge\">static\u003C\u002Fspan>\u003C\u002Fp>\n\n\u003Cp>The date of the supply that the invoice states: the latest of the delivery date, the end of the invoicing period and the ends of the line periods; null without any of them.\u003C\u002Fp>\n\n\u003Ctable class=\"q-doc-table q-stack-table\">\u003Cthead>\u003Ctr>\u003Cth>Parameter\u003C\u002Fth>\u003Cth>Type\u003C\u002Fth>\u003Cth>Description\u003C\u002Fth>\u003C\u002Ftr>\u003C\u002Fthead>\u003Ctbody>\n\u003Ctr>\u003Ctd>\u003Ccode>$invoice\u003C\u002Fcode>\u003C\u002Ftd>\u003Ctd data-label=\"Type\">\u003Ccode>\u003Ca href=\"\u002Fdocs\u002Fapi\u002FQuittio\u002FCore\u002FData\u002FInvoiceData\">InvoiceData\u003C\u002Fa>\u003C\u002Fcode>\u003C\u002Ftd>\u003Ctd data-label=\"Description\">\u003C\u002Ftd>\u003C\u002Ftr>\n\u003C\u002Ftbody>\u003C\u002Ftable>\n\u003Cdl class=\"q-api-dl\">\n\u003Cdt>Returns\u003C\u002Fdt>\u003Cdd>\u003Ccode>?\u003Ca href=\"\u002Fdocs\u002Fapi\u002FQuittio\u002FCore\u002FSupport\u002FDate\">Date\u003C\u002Fa>\u003C\u002Fcode>\u003C\u002Fdd>\n\u003C\u002Fdl>\n\u003C\u002Fsection>",[113],{"id":114,"text":115,"level":116},"methods","Methods",2]