templates/cat1/_2.16.840.1.113883.10.20.24.3.62.cat1.erb in health-data-standards-3.0.6 vs templates/cat1/_2.16.840.1.113883.10.20.24.3.62.cat1.erb in health-data-standards-3.1.0

@@ -7,10 +7,10 @@
           codeSystem="2.16.840.1.113883.5.4"
           codeSystemName="ActCode"
           displayName="Assertion"/>  
     <statusCode code="completed"/>
     <effectiveTime>
-      <low value="<%= entry.start_time %>"/>
+      <low <%= value_or_null_flavor(entry.start_time) %>/>
     </effectiveTime>
     <value xsi:type="CD"
            code="102460003"
            codeSystem="2.16.840.1.113883.6.96"
            codeSystemName="SNOMED CT"
\ No newline at end of file