fix timezone issue

Author: OGlanzmann

structure/syntax/ubl-submit-tender.xml

@@ -68,6 +68,7 @@
 			<Description>The time when the tender is issued by the economic operator. The issue time must have granularity of seconds, and include time zone information</Description>
 			<DataType>Time</DataType>
 			<Reference type="RULE">PEPPOL-T005-R007</Reference>
+			<Value type="EXAMPLE">09:00:00+01:00</Value>
 		</Element>
 		<Element cardinality="1..n">
 			<Term>cac:DocumentReference</Term>

structure/syntax/ubl-tender-clarification-request.xml

@@ -92,6 +92,7 @@
             <DataType>Time</DataType>
             <Reference type="RULE">PEPPOL-T009-R017</Reference>
             <Reference type="RULE">PEPPOL-T009-R018</Reference>
+			<Value type="EXAMPLE">10:00:00+01:00</Value>
         </Element>
         <Element>
             <Term>cac:RequestorParty</Term>

structure/syntax/ubl-tender-clarification.xml

@@ -94,6 +94,7 @@
             <Reference type="RULE">PEPPOL-T010-S012</Reference>
             <Reference type="RULE">PEPPOL-T010-S013</Reference>
             <Reference type="RULE">PEPPOL-T010-S014</Reference>
+			<Value type="EXAMPLE">10:00:00+01:00</Value>
         </Element>
         <Element>
             <Term>cac:RequestorParty</Term>

structure/syntax/ubl-tendering-answers.xml

@@ -81,6 +81,7 @@
             <DataType>Time</DataType>
             <Reference type="RULE">PEPPOL-T008-R014</Reference>
             <Reference type="RULE">PEPPOL-T008-R015</Reference>
+			<Value type="EXAMPLE">10:00:00+01:00</Value>
         </Element>
         <Element>
             <Term>cac:RequestorParty</Term>

structure/syntax/ubl-tendering-questions.xml

@@ -81,6 +81,7 @@
             <DataType>Time</DataType>
             <Reference type="RULE">PEPPOL-T007-R016</Reference>
             <Reference type="RULE">PEPPOL-T007-R017</Reference>
+			<Value type="EXAMPLE">10:00:00+01:00</Value>
         </Element>
         <Element>
             <Term>cac:RequestorParty</Term>