diff --git a/examples/standards/norway/network/FlexibleLine863-with-connection.xml b/examples/standards/norway/network/FlexibleLine863-with-connection.xml
index 97fff6cff..a5ccacdcc 100644
--- a/examples/standards/norway/network/FlexibleLine863-with-connection.xml
+++ b/examples/standards/norway/network/FlexibleLine863-with-connection.xml
@@ -359,17 +359,17 @@ example/functions/timetable/Netex_07.2_Bus_FlexibleTimetable_WithPattern.xml
 							<ScheduledStopPointRef version="any" ref="RUT:ScheduledStopPoint:ID-HANABORG_ST-NORD"/>
 							<FlexibleStopPlaceRef version="any" ref="NHR:FlexibleStopPlace:ID-HANABORG-NORD"/>
 						</FlexibleStopAssignment>
-						<PassengerStopAssignment version="any" order="0" id="RUT:PassengerStopAssignment:ID-HANABORG">
+						<PassengerStopAssignment version="any" order="1" id="RUT:PassengerStopAssignment:ID-HANABORG">
 							<ScheduledStopPointRef version="any" ref="RUT:ScheduledStopPoint:ID-HANABORG_ST"/>
 							<StopPlaceRef version="any" ref="NHR:StopPlace:ID-HANABORG_ST"/>
 							<QuayRef version="any" ref="NHR:Quay:ID-HANABORG_ST-QUAY"/>
 						</PassengerStopAssignment>
-						<PassengerStopAssignment version="any" order="0" id="RUT:PassengerStopAssignment:ID-LORENSKOG">
+						<PassengerStopAssignment version="any" order="1" id="RUT:PassengerStopAssignment:ID-LORENSKOG">
 							<ScheduledStopPointRef ref="RUT:ScheduledStopPoint:ID-LORENSKOG"/>
 							<StopPlaceRef version="any" ref="NHR:StopPlace:ID-LORENSKOGSENTRUM"/>
 							<QuayRef version="any" ref="NHR:Quay:ID-LORENSKOGSENTRUM-QUAY"/>
 						</PassengerStopAssignment>
-						<PassengerStopAssignment version="any" order="0" id="RUT:PassengerStopAssignment:ID-TRIADEN">
+						<PassengerStopAssignment version="any" order="1" id="RUT:PassengerStopAssignment:ID-TRIADEN">
 							<ScheduledStopPointRef version="any" ref="RUT:ScheduledStopPoint:ID-TRIADEN"/>
 							<StopPlaceRef version="any" ref="NHR:StopPlace:ID-TRIADEN-ENTRANCE"/>
 							<QuayRef version="any" ref="NHR:Quay:ID-TRIADEN-ENTRANCE-QUAY"/>
@@ -444,16 +444,16 @@ example/functions/timetable/Netex_07.2_Bus_FlexibleTimetable_WithPattern.xml
 						</Notice>
 					</notices>
 					<noticeAssignments>
-						<NoticeAssignment version="any" id="RUT:NoticeAssignment:863" order="0">
+						<NoticeAssignment version="any" id="RUT:NoticeAssignment:863" order="1">
 							<NoticeRef ref="RUT:Notice:863"/>
 							<NoticedObjectRef version="any" ref="RUT:StopPointInJourneyPattern:ID-TRIADEN-fraLorenskog"/>
 							<!--NoticedObjectRef ref="RUT:FlexibleLine:863"/-->
 						</NoticeAssignment>
-						<NoticeAssignment version="any" id="RUT:NoticeAssignment:863-TilLorenskog" order="0">
+						<NoticeAssignment version="any" id="RUT:NoticeAssignment:863-TilLorenskog" order="1">
 							<NoticeRef ref="RUT:Notice:863-Henting"/>
 							<NoticedObjectRef ref="RUT:Route:863-TilLorenskog"/>
 						</NoticeAssignment>
-						<NoticeAssignment version="any" id="RUT:NoticeAssignment:863-FraLorenskog" order="0">
+						<NoticeAssignment version="any" id="RUT:NoticeAssignment:863-FraLorenskog" order="1">
 							<NoticeRef ref="RUT:Notice:863-Levering"/>
 							<NoticedObjectRef ref="RUT:Route:863-FraLorenskog"/>
 						</NoticeAssignment>
diff --git a/examples/standards/txc/uk_nap_extract1_minimal.xml b/examples/standards/txc/uk_nap_extract1_minimal.xml
index eae283626..3fd3a9a02 100644
--- a/examples/standards/txc/uk_nap_extract1_minimal.xml
+++ b/examples/standards/txc/uk_nap_extract1_minimal.xml
@@ -158,7 +158,7 @@ The NaPTAN StopClassification and StopType can be used to determine how each typ
 					</stopAreas>
 					<!--  ======= NaPTAn Stop Data  ======   -->
 					<stopAssignments>
-						<PassengerStopAssignment version="any" created="2004-06-09T14:20:00-05:00" responsibilitySetRef="nptgAdminArea:060" id="naptStop:260010966" order="0">
+						<PassengerStopAssignment version="any" created="2004-06-09T14:20:00-05:00" responsibilitySetRef="nptgAdminArea:060" id="naptStop:260010966" order="1">
 							<ScheduledStopPoint version="any" created="2004-06-09T14:20:00-05:00" responsibilitySetRef="nptgAdminArea:060" id="naptStop:260010966">
 								<Name>Netherley Road</Name>
 								<TimingPointStatus>timingPoint</TimingPointStatus>
@@ -193,7 +193,7 @@ The NaPTAN StopClassification and StopType can be used to determine how each typ
 								</quays>
 							</StopPlace>
 						</PassengerStopAssignment>
-						<PassengerStopAssignment version="any" responsibilitySetRef="nptgAdminArea:086" id="naptStop:2400100348" order="0">
+						<PassengerStopAssignment version="any" responsibilitySetRef="nptgAdminArea:086" id="naptStop:2400100348" order="1">
 							<ScheduledStopPoint responsibilitySetRef="nptgAdminArea:086" created="2008-03-10T15:20:00" changed="2008-12-09T15:29:00" modification="revise" version="1" status="active" id="naptStop:2400100348">
 								<Name>White Deer Park Nursing Home</Name>
 								<TimingPointStatus>notTimingPoint</TimingPointStatus>
@@ -235,7 +235,7 @@ The NaPTAN StopClassification and StopType can be used to determine how each typ
 							</StopPlace>
 						</PassengerStopAssignment>
 						<!-- ====   -->
-						<PassengerStopAssignment responsibilitySetRef="nptgAdminArea:110" version="1" id="naptStop:9100ABDARE" order="0">
+						<PassengerStopAssignment responsibilitySetRef="nptgAdminArea:110" version="1" id="naptStop:9100ABDARE" order="1">
 							<ScheduledStopPoint responsibilitySetRef="nptgAdminArea:110" created="2006-09-08T14:30:00" changed="2007-09-26T13:00:00" modification="revise" version="1" status="active" id="naptStop:9100ABDARE">
 								<Name>Aberdare Rail Station</Name>
 								<stopAreas>
@@ -324,7 +324,7 @@ The NaPTAN StopClassification and StopType can be used to determine how each typ
 								</quays>
 							</StopPlace>
 						</PassengerStopAssignment>
-						<PassengerStopAssignment responsibilitySetRef="nptgAdminArea:110" version="1" id="naptStop:9100ABDO" order="0">
+						<PassengerStopAssignment responsibilitySetRef="nptgAdminArea:110" version="1" id="naptStop:9100ABDO" order="1">
 							<ScheduledStopPoint responsibilitySetRef="nptgAdminArea:110" created="2006-09-08T14:30:00" changed="2007-09-26T13:00:00" modification="revise" version="1" status="active" id="naptStop:9100ABDO">
 								<Name>Aberdour Rail Station</Name>
 								<stopAreas>
diff --git a/examples/standards/txc/uk_nap_naptan_stops_extract1.xml b/examples/standards/txc/uk_nap_naptan_stops_extract1.xml
index 37ff741f3..7de47746c 100644
--- a/examples/standards/txc/uk_nap_naptan_stops_extract1.xml
+++ b/examples/standards/txc/uk_nap_naptan_stops_extract1.xml
@@ -213,7 +213,7 @@ The NaPTAN StopClassification and StopType can be used to determine how each typ
 					</stopAreas>
 					<!--  ======= NaPTAn Stop Data  ======   -->
 					<stopAssignments>
-						<PassengerStopAssignment version="any" created="2004-06-09T14:20:00-05:00" responsibilitySetRef="nptgUkAdministrativeArea:060" id="naptStop:260010966" order="0">
+						<PassengerStopAssignment version="any" created="2004-06-09T14:20:00-05:00" responsibilitySetRef="nptgUkAdministrativeArea:060" id="naptStop:260010966" order="1">
 							<ScheduledStopPoint version="any" created="2004-06-09T14:20:00-05:00" responsibilitySetRef="nptgUkAdministrativeArea:060" id="naptStop:260010966">
 								<!-- NaPTAN StopPoint.AdministrativeAreaRef>060  -->
 								<Name>Netherley Road</Name>
@@ -259,7 +259,7 @@ The NaPTAN StopClassification and StopType can be used to determine how each typ
 								</quays>
 							</StopPlace>
 						</PassengerStopAssignment>
-						<PassengerStopAssignment version="any" responsibilitySetRef="nptgUkAdministrativeArea:086" id="naptStop:2400100348" order="0">
+						<PassengerStopAssignment version="any" responsibilitySetRef="nptgUkAdministrativeArea:086" id="naptStop:2400100348" order="1">
 							<ScheduledStopPoint responsibilitySetRef="nptgUkAdministrativeArea:086" created="2008-03-10T15:20:00" changed="2008-12-09T15:29:00" modification="revise" version="1" status="active" id="naptStop:2400100348">
 								<!-- NAPT_</AtcoCode> -->
 								<!--  NAPT_ <AdministrativeAreaRef> -->
@@ -314,7 +314,7 @@ The NaPTAN StopClassification and StopType can be used to determine how each typ
 							</StopPlace>
 						</PassengerStopAssignment>
 						<!-- ====   -->
-						<PassengerStopAssignment responsibilitySetRef="nptgUkAdministrativeArea:110" version="1" id="naptStop:9100ABDARE" order="0">
+						<PassengerStopAssignment responsibilitySetRef="nptgUkAdministrativeArea:110" version="1" id="naptStop:9100ABDARE" order="1">
 							<!-- 
 <StopPoint CreationDateTime="2006-09-08T14:30:00" ModificationDateTime="2007-09-26T13:00:00" Modification="revise" RevisionNumber="1" Status="active">
 			<AtcoCode>9100ABDARE</AtcoCode>
@@ -456,7 +456,7 @@ The NaPTAN StopClassification and StopType can be used to determine how each typ
 								</quays>
 							</StopPlace>
 						</PassengerStopAssignment>
-						<PassengerStopAssignment responsibilitySetRef="nptgUkAdministrativeArea:110" version="1" id="naptStop:9100ABDO" order="0">
+						<PassengerStopAssignment responsibilitySetRef="nptgUkAdministrativeArea:110" version="1" id="naptStop:9100ABDO" order="1">
 							<!--
 <StopPoint CreationDateTime="2006-09-08T14:30:00" ModificationDateTime="2007-09-26T13:00:00" Modification="revise" RevisionNumber="1" Status="active">
 			<AtcoCode>9100ABDO</AtcoCode>
diff --git a/xsd/netex_framework/netex_genericFramework/netex_alternativeName_version.xsd b/xsd/netex_framework/netex_genericFramework/netex_alternativeName_version.xsd
index 0acaf4344..f3e9a734d 100644
--- a/xsd/netex_framework/netex_genericFramework/netex_alternativeName_version.xsd
+++ b/xsd/netex_framework/netex_genericFramework/netex_alternativeName_version.xsd
@@ -135,7 +135,7 @@ Rail transport, Roads and Road transport
 							<xsd:documentation>Name of source of the data.</xsd:documentation>
 						</xsd:annotation>
 					</xsd:attribute>
-					<xsd:attribute name="order" type="xsd:integer">
+					<xsd:attribute name="order" type="xsd:positiveInteger">
 						<xsd:annotation>
 							<xsd:documentation>Order of name.</xsd:documentation>
 						</xsd:annotation>
@@ -192,7 +192,7 @@ Rail transport, Roads and Road transport
 						</xsd:annotation>
 					</xsd:element>
 				</xsd:sequence>
-				<xsd:attribute name="order" type="xsd:integer">
+				<xsd:attribute name="order" type="xsd:positiveInteger">
 					<xsd:annotation>
 						<xsd:documentation>Order of name.</xsd:documentation>
 					</xsd:annotation>
diff --git a/xsd/netex_framework/netex_genericFramework/netex_assignment_version.xsd b/xsd/netex_framework/netex_genericFramework/netex_assignment_version.xsd
index 4d5409a13..afca57d37 100644
--- a/xsd/netex_framework/netex_genericFramework/netex_assignment_version.xsd
+++ b/xsd/netex_framework/netex_genericFramework/netex_assignment_version.xsd
@@ -72,9 +72,9 @@ Rail transport, Roads and Road transport
 				<xsd:sequence>
 					<xsd:group ref="AssignmentGroup"/>
 				</xsd:sequence>
-				<xsd:attribute name="order" type="xsd:integer">
+				<xsd:attribute name="order" type="xsd:positiveInteger">
 					<xsd:annotation>
-						<xsd:documentation>Order in which to show an ASSIGNMENT.</xsd:documentation>
+						<xsd:documentation>Order in which to show an ASSIGNMENT. In some rare cases order makes no sense. The convention should be that order="1" is set then for all elements.</xsd:documentation>
 					</xsd:annotation>
 				</xsd:attribute>
 			</xsd:extension>
diff --git a/xsd/netex_framework/netex_genericFramework/netex_pointAndLink_support.xsd b/xsd/netex_framework/netex_genericFramework/netex_pointAndLink_support.xsd
index 7cfddd0c3..a14f84e87 100644
--- a/xsd/netex_framework/netex_genericFramework/netex_pointAndLink_support.xsd
+++ b/xsd/netex_framework/netex_genericFramework/netex_pointAndLink_support.xsd
@@ -189,7 +189,7 @@ Rail transport, Roads and Road transport
 		</xsd:annotation>
 		<xsd:simpleContent>
 			<xsd:extension base="PointRefStructure">
-				<xsd:attribute name="order" type="xsd:integer">
+				<xsd:attribute name="order" type="xsd:positiveInteger">
 					<xsd:annotation>
 						<xsd:documentation>Order of point on link.</xsd:documentation>
 					</xsd:annotation>
diff --git a/xsd/netex_framework/netex_responsibility/netex_alternativeText_version.xsd b/xsd/netex_framework/netex_responsibility/netex_alternativeText_version.xsd
index 6dda91759..1c7e42997 100644
--- a/xsd/netex_framework/netex_responsibility/netex_alternativeText_version.xsd
+++ b/xsd/netex_framework/netex_responsibility/netex_alternativeText_version.xsd
@@ -137,7 +137,7 @@ Rail transport, Roads and Road transport
 						<xsd:documentation>Name of language for which this is to be used. </xsd:documentation>
 					</xsd:annotation>
 				</xsd:attribute>
-				<xsd:attribute name="order" type="xsd:integer">
+				<xsd:attribute name="order" type="xsd:positiveInteger">
 					<xsd:annotation>
 						<xsd:documentation>Order of name.</xsd:documentation>
 					</xsd:annotation>
diff --git a/xsd/netex_framework/netex_responsibility/netex_relationship_support.xsd b/xsd/netex_framework/netex_responsibility/netex_relationship_support.xsd
index ad99a144a..5b52a052e 100644
--- a/xsd/netex_framework/netex_responsibility/netex_relationship_support.xsd
+++ b/xsd/netex_framework/netex_responsibility/netex_relationship_support.xsd
@@ -126,7 +126,7 @@ Rail transport, Roads and Road transport
 		</xsd:annotation>
 		<xsd:simpleContent>
 			<xsd:extension base="VersionOfObjectRefStructure">
-				<xsd:attribute name="order" type="xsd:integer">
+				<xsd:attribute name="order" type="xsd:positiveInteger">
 					<xsd:annotation>
 						<xsd:documentation>Order of element.</xsd:documentation>
 					</xsd:annotation>
diff --git a/xsd/netex_framework/netex_reusableComponents/netex_noticeAssignment_version.xsd b/xsd/netex_framework/netex_reusableComponents/netex_noticeAssignment_version.xsd
index 56f12a329..8ae039956 100644
--- a/xsd/netex_framework/netex_reusableComponents/netex_noticeAssignment_version.xsd
+++ b/xsd/netex_framework/netex_reusableComponents/netex_noticeAssignment_version.xsd
@@ -277,7 +277,7 @@ Rail transport, Roads and Road transport
 					<xsd:group ref="NoticeAssignmentPropertiesGroup"/>
 					<xsd:group ref="NoticePropertiesGroup"/>
 				</xsd:sequence>
-				<xsd:attribute name="order" type="xsd:integer">
+				<xsd:attribute name="order" type="xsd:positiveInteger">
 					<xsd:annotation>
 						<xsd:documentation>Order of Assignment.</xsd:documentation>
 					</xsd:annotation>
diff --git a/xsd/netex_framework/netex_reusableComponents/netex_notice_version.xsd b/xsd/netex_framework/netex_reusableComponents/netex_notice_version.xsd
index b4939c303..168639008 100644
--- a/xsd/netex_framework/netex_reusableComponents/netex_notice_version.xsd
+++ b/xsd/netex_framework/netex_reusableComponents/netex_notice_version.xsd
@@ -221,7 +221,7 @@ Rail transport, Roads and Road transport
 				<xsd:sequence>
 					<xsd:group ref="DeliveryVariantGroup"/>
 				</xsd:sequence>
-				<xsd:attribute name="order" type="xsd:integer">
+				<xsd:attribute name="order" type="xsd:positiveInteger">
 					<xsd:annotation>
 						<xsd:documentation>Presentation Order of variant.</xsd:documentation>
 					</xsd:annotation>
diff --git a/xsd/netex_framework/netex_reusableComponents/netex_securityList_version.xsd b/xsd/netex_framework/netex_reusableComponents/netex_securityList_version.xsd
index 6fe17ebe1..720d3a02a 100644
--- a/xsd/netex_framework/netex_reusableComponents/netex_securityList_version.xsd
+++ b/xsd/netex_framework/netex_reusableComponents/netex_securityList_version.xsd
@@ -231,7 +231,7 @@ Rail transport, Roads and Road transport
 				<xsd:sequence>
 					<xsd:group ref="SecurityListingGroup"/>
 				</xsd:sequence>
-				<xsd:attribute name="order" type="xsd:integer">
+				<xsd:attribute name="order" type="xsd:positiveInteger">
 					<xsd:annotation>
 						<xsd:documentation>order within list</xsd:documentation>
 					</xsd:annotation>
diff --git a/xsd/netex_part_1/part1_ifopt/netex_ifopt_stopPlace_version.xsd b/xsd/netex_part_1/part1_ifopt/netex_ifopt_stopPlace_version.xsd
index cb26aff42..101aecef4 100644
--- a/xsd/netex_part_1/part1_ifopt/netex_ifopt_stopPlace_version.xsd
+++ b/xsd/netex_part_1/part1_ifopt/netex_ifopt_stopPlace_version.xsd
@@ -1256,7 +1256,7 @@ contained within its parent QUAY.</xsd:documentation>
 				<xsd:sequence>
 					<xsd:group ref="VehicleQuayAlignmentGroup"/>
 				</xsd:sequence>
-				<xsd:attribute name="order" type="xsd:nonNegativeInteger">
+				<xsd:attribute name="order" type="xsd:positiveInteger">
 					<xsd:annotation>
 						<xsd:documentation>Order of element.</xsd:documentation>
 					</xsd:annotation>
@@ -1326,7 +1326,7 @@ contained within its parent QUAY.</xsd:documentation>
 				<xsd:sequence>
 					<xsd:group ref="VehiclePositionAlignmentGroup"/>
 				</xsd:sequence>
-				<xsd:attribute name="order" type="xsd:nonNegativeInteger">
+				<xsd:attribute name="order" type="xsd:positiveInteger">
 					<xsd:annotation>
 						<xsd:documentation>Order of attribute</xsd:documentation>
 					</xsd:annotation>
diff --git a/xsd/netex_part_1/part1_networkDescription/netex_networkRestriction_support.xsd b/xsd/netex_part_1/part1_networkDescription/netex_networkRestriction_support.xsd
index 8bb657ea7..b3935eb84 100644
--- a/xsd/netex_part_1/part1_networkDescription/netex_networkRestriction_support.xsd
+++ b/xsd/netex_part_1/part1_networkDescription/netex_networkRestriction_support.xsd
@@ -82,7 +82,7 @@ Rail transport, Roads and ROAD transport
 						<xsd:documentation>Identifier of referenced entity.</xsd:documentation>
 					</xsd:annotation>
 				</xsd:attribute>
-				<xsd:attribute name="order" type="xsd:integer" use="optional">
+				<xsd:attribute name="order" type="xsd:positiveInteger" use="optional">
 					<xsd:annotation>
 						<xsd:documentation>Relative order of ASSIGNMENT.</xsd:documentation>
 					</xsd:annotation>
diff --git a/xsd/netex_part_1/part1_networkDescription/netex_routeInstruction_version.xsd b/xsd/netex_part_1/part1_networkDescription/netex_routeInstruction_version.xsd
index a5783b63c..3874a8163 100644
--- a/xsd/netex_part_1/part1_networkDescription/netex_routeInstruction_version.xsd
+++ b/xsd/netex_part_1/part1_networkDescription/netex_routeInstruction_version.xsd
@@ -114,7 +114,7 @@ Rail transport, Roads and Road transport
 				<xsd:sequence>
 					<xsd:group ref="RouteInstructionGroup"/>
 				</xsd:sequence>
-				<xsd:attribute name="order" type="xsd:integer">
+				<xsd:attribute name="order" type="xsd:positiveInteger">
 					<xsd:annotation>
 						<xsd:documentation>Relative order</xsd:documentation>
 					</xsd:annotation>
diff --git a/xsd/netex_part_1/part1_tacticalPlanning/netex_passengerInformationEquipment_support.xsd b/xsd/netex_part_1/part1_tacticalPlanning/netex_passengerInformationEquipment_support.xsd
index 2e789ef0c..c9c61ed5b 100644
--- a/xsd/netex_part_1/part1_tacticalPlanning/netex_passengerInformationEquipment_support.xsd
+++ b/xsd/netex_part_1/part1_tacticalPlanning/netex_passengerInformationEquipment_support.xsd
@@ -79,7 +79,7 @@ Rail transport, Roads and Road transport
 						<xsd:documentation>Version number of referenced entity.</xsd:documentation>
 					</xsd:annotation>
 				</xsd:attribute>
-				<xsd:attribute name="order" type="xsd:integer" use="optional" default="1">
+				<xsd:attribute name="order" type="xsd:positiveInteger" use="optional" default="1">
 					<xsd:annotation>
 						<xsd:documentation>Relative oOrder of ASSIGNMENT.</xsd:documentation>
 					</xsd:annotation>
diff --git a/xsd/netex_part_1/part1_tacticalPlanning/netex_passengerInformationEquipment_version.xsd b/xsd/netex_part_1/part1_tacticalPlanning/netex_passengerInformationEquipment_version.xsd
index 183b1aa3c..9a562a723 100644
--- a/xsd/netex_part_1/part1_tacticalPlanning/netex_passengerInformationEquipment_version.xsd
+++ b/xsd/netex_part_1/part1_tacticalPlanning/netex_passengerInformationEquipment_version.xsd
@@ -350,7 +350,7 @@ LOGICAL DISPLAY corresponds to a SIRI STOP MONITORING point.</xsd:documentation>
 							<xsd:documentation>Reference to RESPONSIBILITY SET for managing the object. If absent, then responsibility is same as for containing context of this object.</xsd:documentation>
 						</xsd:annotation>
 					</xsd:attribute>
-					<xsd:attribute name="order" type="xsd:integer">
+					<xsd:attribute name="order" type="xsd:positiveInteger">
 						<xsd:annotation>
 							<xsd:documentation>Order in which to show  ASSIGNMENT,</xsd:documentation>
 						</xsd:annotation>
diff --git a/xsd/netex_part_1/part1_tacticalPlanning/netex_stopAssignment_version.xsd b/xsd/netex_part_1/part1_tacticalPlanning/netex_stopAssignment_version.xsd
index 20fcf2cb7..4758f5ea4 100644
--- a/xsd/netex_part_1/part1_tacticalPlanning/netex_stopAssignment_version.xsd
+++ b/xsd/netex_part_1/part1_tacticalPlanning/netex_stopAssignment_version.xsd
@@ -414,7 +414,7 @@ Rail transport, Roads and Road transport
 					</xsd:element>
 					<xsd:element name="Label" type="xsd:normalizedString" minOccurs="0"/>
 				</xsd:sequence>
-				<xsd:attribute name="order" type="xsd:integer">
+				<xsd:attribute name="order" type="xsd:positiveInteger">
 					<xsd:annotation>
 						<xsd:documentation>Order of Assignment.</xsd:documentation>
 					</xsd:annotation>
diff --git a/xsd/netex_part_2/part2_journeyTimes/netex_coupledJourney_version.xsd b/xsd/netex_part_2/part2_journeyTimes/netex_coupledJourney_version.xsd
index db0366d9a..3af20d8a1 100644
--- a/xsd/netex_part_2/part2_journeyTimes/netex_coupledJourney_version.xsd
+++ b/xsd/netex_part_2/part2_journeyTimes/netex_coupledJourney_version.xsd
@@ -159,7 +159,7 @@ Rail transport, Roads and Road transport
 				<xsd:sequence>
 					<xsd:group ref="JourneyPartGroup"/>
 				</xsd:sequence>
-				<xsd:attribute name="order" type="xsd:integer">
+				<xsd:attribute name="order" type="xsd:positiveInteger">
 					<xsd:annotation>
 						<xsd:documentation>Order of JOURNEY PART  within JOURNEY.</xsd:documentation>
 					</xsd:annotation>
@@ -302,7 +302,7 @@ of the corresponding VEHICLE TYPE. true for forward.</xsd:documentation>
 						</xsd:annotation>
 					</xsd:group>
 				</xsd:sequence>
-				<xsd:attribute name="order" type="xsd:integer">
+				<xsd:attribute name="order" type="xsd:positiveInteger">
 					<xsd:annotation>
 						<xsd:documentation>Order of JOURNEY PART  POistion within JOURNEY PART.</xsd:documentation>
 					</xsd:annotation>
diff --git a/xsd/netex_part_3/part3_fares/netex_farePrice_version.xsd b/xsd/netex_part_3/part3_fares/netex_farePrice_version.xsd
index 1d90fe9f9..9af52d835 100644
--- a/xsd/netex_part_3/part3_fares/netex_farePrice_version.xsd
+++ b/xsd/netex_part_3/part3_fares/netex_farePrice_version.xsd
@@ -397,7 +397,7 @@ The RULE STEP RESULT  Adjustment Amount is  the difference beteen the original i
 				<xsd:documentation>Identifier of PriceRuleStepResult</xsd:documentation>
 			</xsd:annotation>
 		</xsd:attribute>
-		<xsd:attribute name="order" type="xsd:integer" use="optional">
+		<xsd:attribute name="order" type="xsd:positiveInteger" use="optional">
 			<xsd:annotation>
 				<xsd:documentation>Order of step.</xsd:documentation>
 			</xsd:annotation>
diff --git a/xsd/netex_part_3/part3_fares/netex_fareSeries_support.xsd b/xsd/netex_part_3/part3_fares/netex_fareSeries_support.xsd
index 0a6da909a..6d3c43fa9 100644
--- a/xsd/netex_part_3/part3_fares/netex_fareSeries_support.xsd
+++ b/xsd/netex_part_3/part3_fares/netex_fareSeries_support.xsd
@@ -94,7 +94,7 @@ Rail transport, Roads and Road transport
 		</xsd:annotation>
 		<xsd:simpleContent>
 			<xsd:extension base="PriceableObjectRefStructure">
-				<xsd:attribute name="order" type="xsd:integer" use="optional">
+				<xsd:attribute name="order" type="xsd:positiveInteger" use="optional">
 					<xsd:annotation>
 						<xsd:documentation>order of constraint.</xsd:documentation>
 					</xsd:annotation>
diff --git a/xsd/netex_part_3/part3_fares/netex_fareSeries_version.xsd b/xsd/netex_part_3/part3_fares/netex_fareSeries_version.xsd
index ccb2572bc..edf3efe65 100644
--- a/xsd/netex_part_3/part3_fares/netex_fareSeries_version.xsd
+++ b/xsd/netex_part_3/part3_fares/netex_fareSeries_version.xsd
@@ -123,7 +123,7 @@ Rail transport, Roads and Road transport
 						</xsd:sequence>
 					</xsd:sequence>
 					<xsd:attribute name="id" type="SeriesConstraintIdType"/>
-					<xsd:attribute name="order" type="xsd:integer">
+					<xsd:attribute name="order" type="xsd:positiveInteger">
 						<xsd:annotation>
 							<xsd:documentation>relative number of series for same  OD pair (TAP Route number)</xsd:documentation>
 						</xsd:annotation>
@@ -141,7 +141,7 @@ Rail transport, Roads and Road transport
 				<xsd:sequence>
 					<xsd:group ref="SeriesConstraintGroup"/>
 				</xsd:sequence>
-				<xsd:attribute name="order" type="xsd:integer">
+				<xsd:attribute name="order" type="xsd:positiveInteger">
 					<xsd:annotation>
 						<xsd:documentation>relative number of series for same  OD pair (TAP Route number)</xsd:documentation>
 					</xsd:annotation>
diff --git a/xsd/netex_part_3/part3_fares/netex_fareStructure_support.xsd b/xsd/netex_part_3/part3_fares/netex_fareStructure_support.xsd
index ee58df08e..cfd78822f 100644
--- a/xsd/netex_part_3/part3_fares/netex_fareStructure_support.xsd
+++ b/xsd/netex_part_3/part3_fares/netex_fareStructure_support.xsd
@@ -96,7 +96,7 @@ Rail transport, Roads and Road transport
 						<xsd:documentation>Identifier of a FARE ELEMENT IN SEQUENCE.</xsd:documentation>
 					</xsd:annotation>
 				</xsd:attribute>
-				<xsd:attribute name="order" type="xsd:integer"/>
+				<xsd:attribute name="order" type="xsd:positiveInteger"/>
 			</xsd:restriction>
 		</xsd:simpleContent>
 	</xsd:complexType>
diff --git a/xsd/netex_part_3/part3_fares/netex_fareStructure_version.xsd b/xsd/netex_part_3/part3_fares/netex_fareStructure_version.xsd
index 11ffb1718..70237cb83 100644
--- a/xsd/netex_part_3/part3_fares/netex_fareStructure_version.xsd
+++ b/xsd/netex_part_3/part3_fares/netex_fareStructure_version.xsd
@@ -95,7 +95,7 @@ Rail transport, Roads and Road transport
 				<xsd:sequence>
 					<xsd:group ref="FareElementInSequenceGroup"/>
 				</xsd:sequence>
-				<xsd:attribute name="order" type="xsd:integer">
+				<xsd:attribute name="order" type="xsd:positiveInteger">
 					<xsd:annotation>
 						<xsd:documentation>order of element in sequence.</xsd:documentation>
 					</xsd:annotation>
diff --git a/xsd/netex_part_3/part3_fares/netex_fareTable_version.xsd b/xsd/netex_part_3/part3_fares/netex_fareTable_version.xsd
index c500d70ca..31ece9bdf 100644
--- a/xsd/netex_part_3/part3_fares/netex_fareTable_version.xsd
+++ b/xsd/netex_part_3/part3_fares/netex_fareTable_version.xsd
@@ -467,7 +467,7 @@ Rail transport, Roads and Road transport
 						</xsd:annotation>
 					</xsd:group>
 				</xsd:sequence>
-				<xsd:attribute name="order" type="xsd:integer">
+				<xsd:attribute name="order" type="xsd:positiveInteger">
 					<xsd:annotation>
 						<xsd:documentation>Order in which cell is to appear.</xsd:documentation>
 					</xsd:annotation>
@@ -526,7 +526,7 @@ Rail transport, Roads and Road transport
 						</xsd:annotation>
 					</xsd:group>
 				</xsd:sequence>
-				<xsd:attribute name="order" type="xsd:integer">
+				<xsd:attribute name="order" type="xsd:positiveInteger">
 					<xsd:annotation>
 						<xsd:documentation>Order in which cell is to appear.</xsd:documentation>
 					</xsd:annotation>
@@ -789,7 +789,7 @@ Rail transport, Roads and Road transport
 						</xsd:annotation>
 					</xsd:group>
 				</xsd:sequence>
-				<xsd:attribute name="order" type="xsd:integer">
+				<xsd:attribute name="order" type="xsd:positiveInteger">
 					<xsd:annotation>
 						<xsd:documentation>Order in which FARE TABLE COLUMN HEADING is to appear.</xsd:documentation>
 					</xsd:annotation>
@@ -859,7 +859,7 @@ Rail transport, Roads and Road transport
 						</xsd:sequence>
 					</xsd:sequence>
 					<xsd:attribute name="id" type="FareTableRowIdType"/>
-					<xsd:attribute name="order" type="xsd:integer">
+					<xsd:attribute name="order" type="xsd:positiveInteger">
 						<xsd:annotation>
 							<xsd:documentation>Order in which FARE TABLE ROW  is to appear.</xsd:documentation>
 						</xsd:annotation>
@@ -881,7 +881,7 @@ Rail transport, Roads and Road transport
 						</xsd:annotation>
 					</xsd:group>
 				</xsd:sequence>
-				<xsd:attribute name="order" type="xsd:integer">
+				<xsd:attribute name="order" type="xsd:positiveInteger">
 					<xsd:annotation>
 						<xsd:documentation>Order in which FARE TABLE ROW  is to appear.</xsd:documentation>
 					</xsd:annotation>
diff --git a/xsd/netex_part_3/part3_fares/netex_salesOfferPackage_version.xsd b/xsd/netex_part_3/part3_fares/netex_salesOfferPackage_version.xsd
index 4754b4331..0b22f4c94 100644
--- a/xsd/netex_part_3/part3_fares/netex_salesOfferPackage_version.xsd
+++ b/xsd/netex_part_3/part3_fares/netex_salesOfferPackage_version.xsd
@@ -316,7 +316,7 @@ Rail transport, Roads and Road transport
 				<xsd:sequence>
 					<xsd:group ref="SalesOfferPackageElementGroup"/>
 				</xsd:sequence>
-				<xsd:attribute name="order" type="xsd:integer">
+				<xsd:attribute name="order" type="xsd:positiveInteger">
 					<xsd:annotation>
 						<xsd:documentation>Relative order of element.</xsd:documentation>
 					</xsd:annotation>
diff --git a/xsd/netex_part_3/part3_salesTransactions/netex_customerPurchasePackage_version.xsd b/xsd/netex_part_3/part3_salesTransactions/netex_customerPurchasePackage_version.xsd
index abc77fe22..4f602cf85 100644
--- a/xsd/netex_part_3/part3_salesTransactions/netex_customerPurchasePackage_version.xsd
+++ b/xsd/netex_part_3/part3_salesTransactions/netex_customerPurchasePackage_version.xsd
@@ -647,7 +647,7 @@ Rail transport, Roads and Road transport
 				<xsd:sequence>
 					<xsd:group ref="CustomerPurchasePackageElementGroup"/>
 				</xsd:sequence>
-				<xsd:attribute name="order" type="xsd:integer">
+				<xsd:attribute name="order" type="xsd:positiveInteger">
 					<xsd:annotation>
 						<xsd:documentation>Relative order of element.</xsd:documentation>
 					</xsd:annotation>