diff --git a/Server-Side Components/Business Rules/Prevent Invalid Field Combinations/readme.md b/Server-Side Components/Business Rules/Prevent Invalid Field Combinations/readme.md
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+In IT Service Management (ITSM), certain field combinations don’t make sense logically — for instance:
+A High Priority incident should not have a Low Impact.
+A Change Request marked as Emergency should not have Approval Type = Standard.
+ServiceNow’s out-of-the-box (OOB) configurations can validate simple field requirements, but cannot enforce relational validation between two or more fields at the server-side level.
+This custom Business Rule ensures data integrity by preventing users from saving or updating records when invalid field combinations occur.
+
+Details of Implementation
+Created a new Business Rule: Prevent Invalid Field Combinations
+Table: incident
+Advanced: ✅ Checked
+When to run: Before Insert & Before Update
+Filter condition (optional): Leave blank or specify field conditions where you want this rule to apply
+Script logic:
+Checks if Impact = 3 (Low) and Priority = 1 (High).
+Displays a user-friendly error message.
+Aborts record submission to maintain data integrity.
diff --git a/Server-Side Components/Business Rules/Prevent Invalid Field Combinations/script.js b/Server-Side Components/Business Rules/Prevent Invalid Field Combinations/script.js
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+(function executeRule(current, previous /*null when async*/) {
+
+    // Example: Prevent record submission if Impact = Low and Priority = High
+    if (current.impact == 3 && current.priority == 1) { // 3 = Low, 1 = High
+        gs.addErrorMessage("Invalid combination: 'High' Priority cannot be set with 'Low' Impact.");
+        current.setAbortAction(true); // Prevents insert/update
+    }
+
+})(current, previous);