diff --git a/api/src/main/java/ca/bc/gov/educ/api/ruleengine/rule/BaseRule.java b/api/src/main/java/ca/bc/gov/educ/api/ruleengine/rule/BaseRule.java
index d6f7bad..80ca022 100644
--- a/api/src/main/java/ca/bc/gov/educ/api/ruleengine/rule/BaseRule.java
+++ b/api/src/main/java/ca/bc/gov/educ/api/ruleengine/rule/BaseRule.java
@@ -6,10 +6,13 @@
 public abstract class BaseRule implements Rule {
 
     Date toLastDayOfMonth(Date date) {
-        Calendar cal = Calendar.getInstance();
-        cal.setTime(date);
-        cal.set(Calendar.DAY_OF_MONTH, cal.getActualMaximum(Calendar.DAY_OF_MONTH));
-        return cal.getTime();
+        if(date != null) {
+            Calendar cal = Calendar.getInstance();
+            cal.setTime(date);
+            cal.set(Calendar.DAY_OF_MONTH, cal.getActualMaximum(Calendar.DAY_OF_MONTH));
+            return cal.getTime();
+        }
+        return null;
     }
 
 }
diff --git a/api/src/main/java/ca/bc/gov/educ/api/ruleengine/util/RuleEngineApiUtils.java b/api/src/main/java/ca/bc/gov/educ/api/ruleengine/util/RuleEngineApiUtils.java
index 749ae5a..472ee9f 100644
--- a/api/src/main/java/ca/bc/gov/educ/api/ruleengine/util/RuleEngineApiUtils.java
+++ b/api/src/main/java/ca/bc/gov/educ/api/ruleengine/util/RuleEngineApiUtils.java
@@ -181,10 +181,13 @@ public static boolean isCompletedCourse(String finalGrade, Double finalPercentag
         return false;
     }
 
-    private static Date toLastDayOfMonth(Date date) {
-        Calendar cal = Calendar.getInstance();
-        cal.setTime(date);
-        cal.set(Calendar.DAY_OF_MONTH, cal.getActualMaximum(Calendar.DAY_OF_MONTH));
-        return cal.getTime();
+    static Date toLastDayOfMonth(Date date) {
+        if(date != null) {
+            Calendar cal = Calendar.getInstance();
+            cal.setTime(date);
+            cal.set(Calendar.DAY_OF_MONTH, cal.getActualMaximum(Calendar.DAY_OF_MONTH));
+            return cal.getTime();
+        }
+        return null;
     }
 }
diff --git a/api/src/main/java/ca/bc/gov/educ/api/ruleengine/util/RuleProcessorRuleUtils.java b/api/src/main/java/ca/bc/gov/educ/api/ruleengine/util/RuleProcessorRuleUtils.java
index 233eda0..796f44d 100644
--- a/api/src/main/java/ca/bc/gov/educ/api/ruleengine/util/RuleProcessorRuleUtils.java
+++ b/api/src/main/java/ca/bc/gov/educ/api/ruleengine/util/RuleProcessorRuleUtils.java
@@ -196,10 +196,13 @@ public static void updateCourseLevelForCLC(List<StudentCourse> studentCourses, S
         });
     }
 
-    private static Date toLastDayOfMonth(Date date) {
-        Calendar cal = Calendar.getInstance();
-        cal.setTime(date);
-        cal.set(Calendar.DAY_OF_MONTH, cal.getActualMaximum(Calendar.DAY_OF_MONTH));
-        return cal.getTime();
+    static Date toLastDayOfMonth(Date date) {
+        if(date != null) {
+            Calendar cal = Calendar.getInstance();
+            cal.setTime(date);
+            cal.set(Calendar.DAY_OF_MONTH, cal.getActualMaximum(Calendar.DAY_OF_MONTH));
+            return cal.getTime();
+        }
+        return null;
     }
 }