You are only allowed to describe one organisation per document.
Element "languageDeclaration" must be present in "control".
Element "conventionDeclaration" must be present in "control".
Element "localTypeDeclaration" must be present in "control".
There must be exactly 1 "agencyName" in "maintenanceAgency".
The format of is constrained to that of the International Standard Identifier for Libraries and Related Organizations (ISIL: ISO 15511): a prefix, a dash, and an identifier.
Element "abbreviation" must be present in "conventionDeclaration".
Element "descriptiveNote" must be present in "conventionDeclaration".
Element "abbreviation" must be present in the first "localTypeDeclaration".
Element "descriptiveNote" must be present in the first "localTypeDeclaration".
Element "relations" must be present in "cpfDescription".
Element "entityType" must have the value "corporateBody".
Element "entityId" must use attribute "localType".
Attribute "localType" must have a value from value list "vcTYPEOFIDENTIFICATIONCODE".
There must be exactly 1 "part" in "nameEntry".
Element "fromDate" must be used in "dateRange".
There must be at least 2 "nameEntry" in "nameEntryParallel".
Element "existDates" must be present in "description".
Element "term" must be present in "legalStatus".
You must enter a description in a "p" element in "structureOrGenealogy".
There must be an "address" element in "place".
There must be a "placeRole" element in "place".
Element "addressLine" must use attribute "localType".
Attribute "localType" must have a value from value list "vcADRESSLINE_LOCALTYPE".
Element "placeRole" must use attribute "vocabularySource".
There must at least one "cpfRelation" in "relations".
Only "cpfRelation" is allowed in "relations".
Only "cpfRelation" is allowed in "relations".
Element "cpfRelation" must use attribute "cpfRelationType".
Attribute "cpfRelationType" must have value "hierarchical-child" or "hierarchical-parent".
Element "relationEntry" must be present in "cpfRelation".
Element "relationEntry" must use attribute "localType".
The script or scriptcode attribute should contain a code from the iso_15924 codelist.