diff --git a/OFM.Application.WebResources/Scripts/FormHandler/ofm_Intake.Form.js b/OFM.Application.WebResources/Scripts/FormHandler/ofm_Intake.Form.js
index 5e9c0cb..45ba5b5 100644
--- a/OFM.Application.WebResources/Scripts/FormHandler/ofm_Intake.Form.js
+++ b/OFM.Application.WebResources/Scripts/FormHandler/ofm_Intake.Form.js
@@ -175,5 +175,17 @@ OFM.Intake.Form = {
         });
 
         return visable;
+    },
+    validateCohortNumber: function(executionContext){
+        debugger;
+        var formContext = executionContext.getFormContext();
+        var cohort = formContext.getAttribute("ofm_cohort").getValue();
+
+        //validation required must be numeric and 6 digits
+        if(!/^\d+$/.test(cohort) || cohort.length != 6){
+            formContext.getControl("ofm_cohort").setNotification("Cohort should be 6 digits in 'MMYYYY' format.", "validation_rule");
+        }else{
+            formContext.getControl("ofm_cohort").clearNotification("validation_rule");
+        }
     }
-};
\ No newline at end of file
+};