diff --git a/productMods/edit/forms/addGrantRoleToPerson.jsp b/productMods/edit/forms/addGrantRoleToPerson.jsp
index bcf5fbfb..9b5e1075 100644
--- a/productMods/edit/forms/addGrantRoleToPerson.jsp
+++ b/productMods/edit/forms/addGrantRoleToPerson.jsp
@@ -25,7 +25,6 @@ This is intended to create a set of statements like:
 <%@ page import="edu.cornell.mannlib.vitro.webapp.web.MiscWebUtils" %>
 <%@ page import="edu.cornell.mannlib.vitro.webapp.controller.freemarker.UrlBuilder.JavaScript" %>
 <%@ page import="edu.cornell.mannlib.vitro.webapp.controller.freemarker.UrlBuilder.Css" %>
-<%@ page import="edu.cornell.mannlib.vitro.webapp.edit.n3editing.StartYearBeforeEndYear"%>
 <%@ page import="edu.cornell.mannlib.vitro.webapp.utils.FrontEndEditingUtils"%>
 <%@ page import="edu.cornell.mannlib.vitro.webapp.utils.FrontEndEditingUtils.EditMode"%>
 
diff --git a/productMods/edit/forms/addRoleToPersonTwoStage.jsp b/productMods/edit/forms/addRoleToPersonTwoStage.jsp
index f5b94a87..7fcaf60b 100644
--- a/productMods/edit/forms/addRoleToPersonTwoStage.jsp
+++ b/productMods/edit/forms/addRoleToPersonTwoStage.jsp
@@ -45,7 +45,6 @@
 <%@ page import="edu.cornell.mannlib.vitro.webapp.controller.freemarker.UrlBuilder.JavaScript" %>
 <%@ page import="edu.cornell.mannlib.vitro.webapp.controller.freemarker.UrlBuilder.Css" %>
 <%@ page import="edu.cornell.mannlib.vitro.webapp.utils.TitleCase" %>
-<%@ page import="edu.cornell.mannlib.vitro.webapp.edit.n3editing.StartYearBeforeEndYear"%>
 <%@ page import="edu.cornell.mannlib.vitro.webapp.beans.ObjectProperty"%>
 <%@ page import="edu.cornell.mannlib.vitro.webapp.utils.FrontEndEditingUtils"%>
 <%@ page import="edu.cornell.mannlib.vitro.webapp.utils.FrontEndEditingUtils.EditMode"%>
@@ -59,7 +58,6 @@
 
 <%@ page import="edu.cornell.mannlib.vitro.webapp.edit.n3editing.Field"%>
 <%@ page import="edu.cornell.mannlib.vitro.webapp.edit.elements.DateTimeWithPrecision"%>
-<%@ page import="edu.cornell.mannlib.vitro.webapp.edit.n3editing.StartDateBeforeEndDate"%>
 <%@ page import="edu.cornell.mannlib.vitro.webapp.edit.n3editing.DateTimeIntervalValidation"%><c:set var="vivoOnt" value="http://vivoweb.org/ontology" />
 
 <%!
diff --git a/productMods/edit/forms/personHasEducationalTraining.jsp b/productMods/edit/forms/personHasEducationalTraining.jsp
index 2f890ff5..f88b51e1 100644
--- a/productMods/edit/forms/personHasEducationalTraining.jsp
+++ b/productMods/edit/forms/personHasEducationalTraining.jsp
@@ -54,6 +54,7 @@ core:dateTimePrecision (DateTimeValue : DateTimeValuePrecision)
 <%@ page import="edu.cornell.mannlib.vitro.webapp.controller.freemarker.UrlBuilder.Css" %>
 <%@ page import="edu.cornell.mannlib.vitro.webapp.edit.n3editing.Field"%>
 <%@ page import="edu.cornell.mannlib.vitro.webapp.edit.elements.DateTimeWithPrecision"%>
+<%@page import="edu.cornell.mannlib.vitro.webapp.edit.n3editing.DateTimeIntervalValidation"%>
 <%@ page import="edu.cornell.mannlib.vitro.webapp.utils.FrontEndEditingUtils"%>
 <%@ page import="edu.cornell.mannlib.vitro.webapp.utils.FrontEndEditingUtils.EditMode"%>
 
@@ -448,6 +449,8 @@ type is returned and we don't get a match to the select element options. --%>
         startField.setEditElement(new DateTimeWithPrecision(startField, VitroVocabulary.Precision.YEAR.uri(), VitroVocabulary.Precision.NONE.uri()));        
         Field endField = editConfig.getField("endField");
         endField.setEditElement(new DateTimeWithPrecision(endField, VitroVocabulary.Precision.YEAR.uri(), VitroVocabulary.Precision.NONE.uri()));
+
+        editConfig.addValidator(new DateTimeIntervalValidation("startField","endField") ); 
         
         EditConfiguration.putConfigInSession(editConfig,session);
     }
diff --git a/productMods/edit/forms/personHasPositionHistory.jsp b/productMods/edit/forms/personHasPositionHistory.jsp
index 6cbf35dc..652ef589 100644
--- a/productMods/edit/forms/personHasPositionHistory.jsp
+++ b/productMods/edit/forms/personHasPositionHistory.jsp
@@ -14,7 +14,6 @@
 <%@ page import="edu.cornell.mannlib.vitro.webapp.dao.WebappDaoFactory"%>
 <%@ page import="edu.cornell.mannlib.vitro.webapp.controller.VitroRequest"%>
 <%@ page import="edu.cornell.mannlib.vitro.webapp.web.MiscWebUtils"%>
-<%@ page import="edu.cornell.mannlib.vitro.webapp.edit.n3editing.StartYearBeforeEndYear"%>
 <%@ page import="edu.cornell.mannlib.vitro.webapp.controller.freemarker.UrlBuilder.JavaScript" %>
 <%@ page import="edu.cornell.mannlib.vitro.webapp.controller.freemarker.UrlBuilder.Css" %>
 <%@ page import="edu.cornell.mannlib.vitro.webapp.edit.elements.DateTimeWithPrecision"%>