<?xml version="1.0" encoding="UTF-8"?>
<!-- edited with XMLSpy v2013 rel. 2 sp2 (http://www.altova.com) by PCuser (World Intellectual Property Organization) -->
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:ncl="http://www.wipo.int/classifications/ncl" targetNamespace="http://www.wipo.int/classifications/ncl" elementFormDefault="qualified" attributeFormDefault="unqualified">
	<xs:include schemaLocation="NCL_schema_types_V3-21.xsd"/>
	<xs:complexType name="HierarchyGroupType">
		<xs:sequence>
			<xs:element name="GoodOrServiceRef" minOccurs="0" maxOccurs="unbounded">
				<xs:complexType>
					<xs:attribute name="idRef" type="ncl:UniqueIdExtRefType" use="required"/>
				</xs:complexType>
			</xs:element>
			<xs:element name="RelatedParent" minOccurs="0" maxOccurs="unbounded">
				<xs:complexType>
					<xs:attribute name="idRef" type="ncl:UniqueIdRefType" use="required"/>
				</xs:complexType>
			</xs:element>
			<xs:element name="HierarchyGroup" type="ncl:HierarchyGroupType" minOccurs="0" maxOccurs="unbounded"/>
		</xs:sequence>
		<xs:attribute name="id" type="ncl:UniqueIdType" use="required"/>
		<xs:attribute name="groupNumber" type="ncl:DottedGroupType" use="required"/>
		<xs:attribute name="classIdRef" type="ncl:UniqueIdExtRefType" use="required"/>
	</xs:complexType>
	<xs:element name="HierarchyGroupsStructure">
		<xs:complexType>
			<xs:sequence>
				<xs:element name="HierarchyGroup" type="ncl:HierarchyGroupType" maxOccurs="unbounded"/>
			</xs:sequence>
			<xs:attributeGroup ref="ncl:Version"/>
		</xs:complexType>
	</xs:element>
</xs:schema>
