[{"data":1,"prerenderedAt":80},["ShallowReactive",2],{"glossary-schematron":3},{"id":4,"title":5,"body":6,"description":69,"extension":70,"lastUpdatedAt":71,"letter":72,"meta":73,"navigation":74,"path":75,"seo":76,"stem":77,"summary":78,"term":5,"__hash__":79},"glossary\u002Fglossary\u002Fschematron.md","Schematron",{"type":7,"value":8,"toc":63},"minimark",[9,20,23,28],[10,11,12,15,16,19],"p",{},[13,14,5],"strong",{}," is an ISO standard (ISO\u002FIEC 19757-3) for making assertions about XML documents using XPath expressions. Unlike XSD (which validates structure), Schematron validates ",[13,17,18],{},"business rules"," — e.g. \"if VAT rate is 0%, a reason must be provided\".",[10,21,22],{},"In e-invoicing, Schematron rules are the primary mechanism for enforcing EN 16931 compliance. PEPPOL, ZUGFeRD, and national e-invoice formats all ship Schematron rule sets that must pass before an invoice is accepted.",[24,25,27],"h3",{"id":26},"key-facts","Key facts",[29,30,31,38,54,57],"ul",{},[32,33,34,35],"li",{},"ISO standard: ",[13,36,37],{},"ISO\u002FIEC 19757-3",[32,39,40,41,44,45,49,50,53],{},"Uses ",[13,42,43],{},"XPath"," assertions inside ",[46,47,48],"code",{},"\u003Cassert>"," and ",[46,51,52],{},"\u003Creport>"," elements",[32,55,56],{},"Applied after XSD validation as a second validation pass",[32,58,59,60],{},"Official EN 16931 Schematron rules maintained by ",[13,61,62],{},"CEN\u002FTC 434",{"title":64,"searchDepth":65,"depth":65,"links":66},"",2,[67],{"id":26,"depth":68,"text":27},3,"Schematron is an ISO standard (ISO\u002FIEC 19757-3) for making assertions about XML documents using XPath expressions. Unlike XSD (which validates structure), Schematron validates business rules — e.g. \"if VAT rate is 0%, a reason must be provided\".","md","2026-04-21","S",{},true,"\u002Fglossary\u002Fschematron",{"description":69},"glossary\u002Fschematron","Rule-based XML validation language used to enforce business rules in EN 16931, PEPPOL, and ZUGFeRD invoices.","wVZLM_M5qIvDQm0k2ED2N-ofxK5y4odUcow__ZIQF_s",1776765748943]