[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"docs:api\u002FQuittio\u002FCountry\u002FDE\u002FSupport\u002FTaxNumber":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\u002FSupport\u002FTaxNumber","api",{"title":109,"description":110,"html":111,"headings":112},"TaxNumber","German tax number (Steuernummer, BT-32) as described in \"Prüfung der Steuer- und Steueridentifikationsnummer\" of the Bayerisches Landesamt für Steuern (ELSTER, as of 2 September 2026): the 13-digit ELSTER format FFFF0BBBUUUUP (NRW: FFFF0BBBBUUUP), the 12-digit federal format without the 0, and the notation of the federal states on tax notices (e.g. 181\u002F815\u002F08155 in Bavaria, 133\u002F8150\u002F8159 in NRW).","\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\u002FSupport\">Support\u003C\u002Fa>\u003C\u002Fp>\n\u003Ch1>TaxNumber\u003C\u002Fh1>\n\u003Cp class=\"q-api-facts\">\u003Cspan class=\"q-api-badge q-api-badge-kind\">final readonly 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\\Support\\TaxNumber\u003C\u002Fcode> · \u003Ca href=\"https:\u002F\u002Fgithub.com\u002FQuittio\u002Fquittio\u002Fblob\u002Fv0.7.1\u002Fpackages\u002Fcountry-de\u002Fsrc\u002FSupport\u002FTaxNumber.php#L22\">Source\u003C\u002Fa>\u003C\u002Fp>\n\n\u003Cp class=\"q-doc-lead\">German tax number (Steuernummer, BT-32) as described in "Prüfung der Steuer- und Steueridentifikationsnummer" of the Bayerisches Landesamt für Steuern (ELSTER, as of 2 September 2026): the 13-digit ELSTER format FFFF0BBBUUUUP (NRW: FFFF0BBBBUUUP), the 12-digit federal format without the 0, and the notation of the federal states on tax notices (e.g. 181\u002F815\u002F08155 in Bavaria, 133\u002F8150\u002F8159 in NRW).\u003C\u002Fp>\n\u003Cp>A number is valid when it passes the formal checks and the check digit procedure of its\nstate: the modified 11 procedure (Rhineland-Palatinate), the 2 procedure (Baden-Württemberg,\nHesse, Schleswig-Holstein) or the 11 procedure with the factors of the state (all others,\nBerlin with the variants A and B). A state notation without the state is checked against\nevery state that uses it; as several states share a notation (e.g. FF\u002FBBB\u002FUUUUP), parse()\nthen returns the first valid interpretation unless the state is given. Whether the tax office\nexists (ELSTER list of tax offices) is not checked.\u003C\u002Fp>\n\n\u003Ch2 id=\"constants\">Constants\u003Ca class=\"q-doc-anchor\" href=\"#constants\" aria-label=\"Link to this section\">#\u003C\u002Fa>\u003C\u002Fh2>\n\u003Ctable class=\"q-doc-table q-stack-table\">\u003Cthead>\u003Ctr>\u003Cth>Constant\u003C\u002Fth>\u003Cth>Value\u003C\u002Fth>\u003Cth>Description\u003C\u002Fth>\u003C\u002Ftr>\u003C\u002Fthead>\u003Ctbody>\n\u003Ctr id=\"constant-STATE_PREFIXES\">\u003Ctd>\u003Ccode>STATE_PREFIXES\u003C\u002Fcode>\u003C\u002Ftd>\u003Ctd data-label=\"Value\">\u003Ccode>['10' => 'SL', '11' => 'BE', '21' => 'SH', '22' => 'HH', '23' => 'NI', '24' => 'HB', '26' => 'HE', '27' => 'RP', '28' => 'BW', '30' => 'BB', '31' => 'ST', '32'  …\u003C\u002Fcode>\u003C\u002Ftd>\u003Ctd data-label=\"Description\">First digits of the ELSTER format (Bundesfinanzamtsnummer) => state (ISO 3166-2:DE).\u003C\u002Ftd>\u003C\u002Ftr>\n\u003C\u002Ftbody>\u003C\u002Ftable>\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-formatted\">\u003Ccode>->formatted()\u003C\u002Fcode>\u003C\u002Fa>\u003C\u002Ftd>\u003Ctd data-label=\"Description\">Notation on tax notices, e.g. 181\u002F815\u002F08155 or 133\u002F8150\u002F8159.\u003C\u002Ftd>\u003C\u002Ftr>\n\u003Ctr>\u003Ctd>\u003Ca href=\"#method-looksLikeVatId\">\u003Ccode>::looksLikeVatId()\u003C\u002Fcode>\u003C\u002Fa>\u003C\u002Ftd>\u003Ctd data-label=\"Description\">A VAT identification number (DE + 9 digits) given as tax number.\u003C\u002Ftd>\u003C\u002Ftr>\n\u003Ctr>\u003Ctd>\u003Ca href=\"#method-parse\">\u003Ccode>::parse()\u003C\u002Fcode>\u003C\u002Fa>\u003C\u002Ftd>\u003Ctd data-label=\"Description\">The valid tax number in any notation, or null when it is invalid or cannot be checked.\u003C\u002Ftd>\u003C\u002Ftr>\n\u003Ctr>\u003Ctd>\u003Ca href=\"#method-validate\">\u003Ccode>::validate()\u003C\u002Fcode>\u003C\u002Fa>\u003C\u002Ftd>\u003Ctd data-label=\"Description\">true = valid, false = invalid, null = plausible but not checkable (a Bavarian notation without the tax office number, BBB\u002FUUUUP).\u003C\u002Ftd>\u003C\u002Ftr>\n\u003C\u002Ftbody>\u003C\u002Ftable>\n\u003Csection class=\"q-api-member\" id=\"method-formatted\">\n\u003Ch3>\u003Ccode>formatted()\u003C\u002Fcode>\u003Ca class=\"q-doc-anchor\" href=\"#method-formatted\" 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\"> function\u003C\u002Fspan>\u003Cspan style=\"color:#D2A8FF\"> formatted\u003C\u002Fspan>\u003Cspan style=\"color:#E6EDF3\">()\u003C\u002Fspan>\u003Cspan style=\"color:#FF7B72\">:\u003C\u002Fspan>\u003Cspan style=\"color:#FF7B72\"> string\u003C\u002Fspan>\u003C\u002Fspan>\u003C\u002Fcode>\u003C\u002Fpre>\u003C\u002Fdiv>\n\n\u003Cp>Notation on tax notices, e.g. 181\u002F815\u002F08155 or 133\u002F8150\u002F8159.\u003C\u002Fp>\n\n\u003Cdl class=\"q-api-dl\">\n\u003Cdt>Returns\u003C\u002Fdt>\u003Cdd>\u003Ccode>string\u003C\u002Fcode>\u003C\u002Fdd>\n\u003C\u002Fdl>\n\u003C\u002Fsection>\n\u003Csection class=\"q-api-member\" id=\"method-looksLikeVatId\">\n\u003Ch3>\u003Ccode>looksLikeVatId()\u003C\u002Fcode>\u003Ca class=\"q-doc-anchor\" href=\"#method-looksLikeVatId\" 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\"> looksLikeVatId\u003C\u002Fspan>\u003Cspan style=\"color:#E6EDF3\">(\u003C\u002Fspan>\u003Cspan style=\"color:#FF7B72\">string\u003C\u002Fspan>\u003Cspan style=\"color:#E6EDF3\"> $value)\u003C\u002Fspan>\u003Cspan style=\"color:#FF7B72\">:\u003C\u002Fspan>\u003Cspan style=\"color:#FF7B72\"> bool\u003C\u002Fspan>\u003C\u002Fspan>\u003C\u002Fcode>\u003C\u002Fpre>\u003C\u002Fdiv>\n\u003Cp class=\"q-api-tags\">\u003Cspan class=\"q-api-badge\">static\u003C\u002Fspan>\u003C\u002Fp>\n\n\u003Cp>A VAT identification number (DE + 9 digits) given as tax number.\u003C\u002Fp>\n\n\u003Ctable class=\"q-doc-table q-stack-table\">\u003Cthead>\u003Ctr>\u003Cth>Parameter\u003C\u002Fth>\u003Cth>Type\u003C\u002Fth>\u003Cth>Description\u003C\u002Fth>\u003C\u002Ftr>\u003C\u002Fthead>\u003Ctbody>\n\u003Ctr>\u003Ctd>\u003Ccode>$value\u003C\u002Fcode>\u003C\u002Ftd>\u003Ctd data-label=\"Type\">\u003Ccode>string\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-parse\">\n\u003Ch3>\u003Ccode>parse()\u003C\u002Fcode>\u003Ca class=\"q-doc-anchor\" href=\"#method-parse\" 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\"> parse\u003C\u002Fspan>\u003Cspan style=\"color:#E6EDF3\">(\u003C\u002Fspan>\u003Cspan style=\"color:#FF7B72\">string\u003C\u002Fspan>\u003Cspan style=\"color:#E6EDF3\"> $value, \u003C\u002Fspan>\u003Cspan style=\"color:#FF7B72\">string\u003C\u002Fspan>\u003Cspan style=\"color:#E6EDF3\">|\u003C\u002Fspan>\u003Cspan style=\"color:#FF7B72\">null\u003C\u002Fspan>\u003Cspan style=\"color:#E6EDF3\"> $state \u003C\u002Fspan>\u003Cspan style=\"color:#FF7B72\">=\u003C\u002Fspan>\u003Cspan style=\"color:#79C0FF\"> null\u003C\u002Fspan>\u003Cspan style=\"color:#E6EDF3\">)\u003C\u002Fspan>\u003Cspan style=\"color:#FF7B72\">:\u003C\u002Fspan>\u003Cspan style=\"color:#FF7B72\"> ?self\u003C\u002Fspan>\u003C\u002Fspan>\u003C\u002Fcode>\u003C\u002Fpre>\u003C\u002Fdiv>\n\u003Cp class=\"q-api-tags\">\u003Cspan class=\"q-api-badge\">static\u003C\u002Fspan>\u003C\u002Fp>\n\n\u003Cp>The valid tax number in any notation, or null when it is invalid or cannot be checked.\u003C\u002Fp>\n\n\u003Ctable class=\"q-doc-table q-stack-table\">\u003Cthead>\u003Ctr>\u003Cth>Parameter\u003C\u002Fth>\u003Cth>Type\u003C\u002Fth>\u003Cth>Description\u003C\u002Fth>\u003C\u002Ftr>\u003C\u002Fthead>\u003Ctbody>\n\u003Ctr>\u003Ctd>\u003Ccode>$value\u003C\u002Fcode>\u003C\u002Ftd>\u003Ctd data-label=\"Type\">\u003Ccode>string\u003C\u002Fcode>\u003C\u002Ftd>\u003Ctd data-label=\"Description\">\u003C\u002Ftd>\u003C\u002Ftr>\n\u003Ctr>\u003Ctd>\u003Ccode>$state\u003C\u002Fcode>\u003C\u002Ftd>\u003Ctd data-label=\"Type\">\u003Ccode>string|null\u003C\u002Fcode>\u003Cspan class=\"q-api-default\"> = \u003Ccode>null\u003C\u002Fcode>\u003C\u002Fspan>\u003C\u002Ftd>\u003Ctd data-label=\"Description\">ISO 3166-2:DE code (e.g. BY) to read a state notation\u003C\u002Ftd>\u003C\u002Ftr>\n\u003C\u002Ftbody>\u003C\u002Ftable>\n\u003Cdl class=\"q-api-dl\">\n\u003Cdt>Returns\u003C\u002Fdt>\u003Cdd>\u003Ccode>?self\u003C\u002Fcode>\u003C\u002Fdd>\n\u003C\u002Fdl>\n\u003C\u002Fsection>\n\u003Csection class=\"q-api-member\" id=\"method-validate\">\n\u003Ch3>\u003Ccode>validate()\u003C\u002Fcode>\u003Ca class=\"q-doc-anchor\" href=\"#method-validate\" 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\"> validate\u003C\u002Fspan>\u003Cspan style=\"color:#E6EDF3\">(\u003C\u002Fspan>\u003Cspan style=\"color:#FF7B72\">string\u003C\u002Fspan>\u003Cspan style=\"color:#E6EDF3\"> $value, \u003C\u002Fspan>\u003Cspan style=\"color:#FF7B72\">?string\u003C\u002Fspan>\u003Cspan style=\"color:#E6EDF3\"> $state \u003C\u002Fspan>\u003Cspan style=\"color:#FF7B72\">=\u003C\u002Fspan>\u003Cspan style=\"color:#79C0FF\"> null\u003C\u002Fspan>\u003Cspan style=\"color:#E6EDF3\">)\u003C\u002Fspan>\u003Cspan style=\"color:#FF7B72\">:\u003C\u002Fspan>\u003Cspan style=\"color:#FF7B72\"> ?bool\u003C\u002Fspan>\u003C\u002Fspan>\u003C\u002Fcode>\u003C\u002Fpre>\u003C\u002Fdiv>\n\u003Cp class=\"q-api-tags\">\u003Cspan class=\"q-api-badge\">static\u003C\u002Fspan>\u003C\u002Fp>\n\n\u003Cp>true = valid, false = invalid, null = plausible but not checkable (a Bavarian notation without the tax office number, BBB\u002FUUUUP).\u003C\u002Fp>\n\n\u003Ctable class=\"q-doc-table q-stack-table\">\u003Cthead>\u003Ctr>\u003Cth>Parameter\u003C\u002Fth>\u003Cth>Type\u003C\u002Fth>\u003Cth>Description\u003C\u002Fth>\u003C\u002Ftr>\u003C\u002Fthead>\u003Ctbody>\n\u003Ctr>\u003Ctd>\u003Ccode>$value\u003C\u002Fcode>\u003C\u002Ftd>\u003Ctd data-label=\"Type\">\u003Ccode>string\u003C\u002Fcode>\u003C\u002Ftd>\u003Ctd data-label=\"Description\">\u003C\u002Ftd>\u003C\u002Ftr>\n\u003Ctr>\u003Ctd>\u003Ccode>$state\u003C\u002Fcode>\u003C\u002Ftd>\u003Ctd data-label=\"Type\">\u003Ccode>?string\u003C\u002Fcode>\u003Cspan class=\"q-api-default\"> = \u003Ccode>null\u003C\u002Fcode>\u003C\u002Fspan>\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>",[113,117],{"id":114,"text":115,"level":116},"constants","Constants",2,{"id":118,"text":119,"level":116},"methods","Methods"]