diff --git a/app/Config/Routes.php b/app/Config/Routes.php
index a7778b8..b904c71 100644
--- a/app/Config/Routes.php
+++ b/app/Config/Routes.php
@@ -47,7 +47,9 @@ $routes->get('/dummypage', 'Home::dummyPage');
 
 // ------------------------------------------------------For API------------------------------------------------------ //
 // $routes->get('/api/dashboard', 'ApiDashboard::index');
+$routes->get('api/request/unvalidate/(:any)', 'Request::showUnval/$1');
 $routes->get('api/request/validate/(:any)', 'Request::show/$1');
+
 $routes->post('api/request/validate/(:any)', 'Request::val/$1');
 $routes->delete('api/request/validate/(:any)', 'Request::unval/$1');
 
diff --git a/app/Controllers/Request.php b/app/Controllers/Request.php
index 0af0bec..f80d2f1 100644
--- a/app/Controllers/Request.php
+++ b/app/Controllers/Request.php
@@ -21,12 +21,18 @@ class Request extends BaseController {
     return view('admin/modal_request',$data);
   }
 
+  public function showUnval($accessnumber) {
+    $data['accessnumber'] = $accessnumber;
+    return view('admin/modal_unvalidate',$data);
+  }
+
   public function unval($accessnumber) {
     $input = $this->request->getJSON(true);
     $userid = $input['userid'];
+    $comment = $input['comment'];
     $db = db_connect();
-    $sql = "update GDC_CMOD.dbo.CM_REQUESTS set ISVAL1=0, VAL1USER=null, VAL1DATE=null,
-      ISVAL2=0, VAL2USER=null, VAL2DATE=null where ACCESSNUMBER='$accessnumber'";
+    $sql = "update GDC_CMOD.dbo.CM_REQUESTS set ISVAL1=0, VAL1USER=null, VAL1DATE=null, ISVAL2=0, VAL2USER=null, VAL2DATE=null,
+      PENDINGTEXT='$comment', PENDINGUSER='$userid', PENDINGDATE=GETDATE() where ACCESSNUMBER='$accessnumber'";
     $db->query($sql);
     $data = ['status'  => 'success', 'message' => 'Data updated successfully', 'data' => "$accessnumber" ];
 
diff --git a/app/Views/admin/index.php b/app/Views/admin/index.php
index 9afb842..c65b820 100644
--- a/app/Views/admin/index.php
+++ b/app/Views/admin/index.php
@@ -58,6 +58,9 @@
       <button class='btn btn-sm btn-outline-success' data-type='success'><?=$counter['complete'];?> <small>Complete</small></button>
       <button class='btn btn-sm btn-dark' data-type='dark'><?=$counter['total'];?> <small>Total</small></button>
     </div>
+    <div class="col-1">
+      <button id="filterValBtn" class='btn btn-sm btn-outline-primary' onclick="filterVal('<?=session('userid');?>')"> <small>Validate</small></button>
+    </div> 
   </div>
 
     <div class="table table-responsive-scroll">
@@ -126,7 +129,7 @@
                 <?php if($row['val'] != 2) {  ?>
                 <tr>
                   <td>
-                    <button id='unvalBtn-<?=$accessnumber;?>' class='btn btn-xs btn-outline-secondary px-1 py-0 mb-1' onclick="unvalidate(<?=$row['sp_accessnumber'];?>,'<?=session('userid');?>?>')"><i class="bi bi-arrow-counterclockwise"></i></button>
+                    <button id='unvalBtn-<?=$accessnumber;?>' class='btn btn-xs btn-outline-secondary px-1 py-0 mb-1' onclick="unvalidateShow(<?=$row['sp_accessnumber'];?>)" data-bs-toggle="modal" data-bs-target="#unvalidateModal"><i class="bi bi-arrow-counterclockwise"></i></button>
                     <button id='valBtn-<?=$accessnumber;?>' class='btn btn-xs btn-outline-success px-1 py-0 mb-1' onclick="validateShow(<?=$row['sp_accessnumber'];?>)" data-bs-toggle="modal" data-bs-target="#validateModal"><i class="bi bi-check-lg"></i></button>
                   </td>
                 </tr>  
@@ -169,7 +172,7 @@
     </div>
   </div>
 
-	<div class="modal fade" id="unvalidateModal" aria-hidden="true" aria-labelledby="validateModal" tabindex="-1">
+	<div class="modal fade" id="unvalidateModal" aria-hidden="true" aria-labelledby="unvalidateModal" tabindex="-1">
     <div class="modal-dialog modal-xl modal-dialog-centered">
       <div class="modal-content">
         <div class="modal-body" id="unvalidateModalContent"> </div>
@@ -222,9 +225,43 @@
       regex = vals.join('|');
       table.column(0).search(regex, true, false).draw();
     });
-
   });
   
+
+
+  // Select the column by index (1) and apply a search that excludes "Test"
+  // The regex: ^((?!Test).)*$
+  // - ^...$ anchors the start and end
+  // - (?!Test) is a negative lookahead, failing the match if "Test" is found
+  function filterVal(userid) {  
+    var currentSearch = table.column(9).search();
+    if (currentSearch.includes(userid)) {
+      table.column(9).search( '' ).draw();
+      $("#filterValBtn").removeClass(`btn-primary`).addClass(`btn-outline-primary`);
+    } else { 
+      table.column(9).search( `^((?!${userid}).)*$`, true, false ).draw();
+      $("#filterValBtn").removeClass(`btn-outline-primary`).addClass(`btn-primary`);
+    }
+  }
+
+  function unvalidate(accessnumber,userid) {
+    if(confirm("Are you sure?")) {
+			fetch(`${BASE_URL}/api/request/validate/${accessnumber}`, {
+				method: "DELETE",
+				headers: {"Content-Type": "application/json"},
+				body: JSON.stringify({ userid:`${userid}` })
+			}).then(response => {
+				console.log("Response:", response);
+				$(`#val1user-${accessnumber}`).text("1 : ");
+				$(`#val2user-${accessnumber}`).text("2 : ");
+				$(`#valBtn-${accessnumber}`).prop('disabled', false);
+				$(`#unvalBtn-${accessnumber}`).prop('disabled', false);
+			}).catch(error => {
+				console.log("Error:", error);
+			});
+    } 
+  }
+  
   const BASE_URL = "<?= base_url(); ?>";
 </script>
 <script src="<?=base_url('js/admin/specimen.js');?>"></script>
diff --git a/app/Views/admin/modal_unvalidate.php b/app/Views/admin/modal_unvalidate.php
new file mode 100644
index 0000000..790953c
--- /dev/null
+++ b/app/Views/admin/modal_unvalidate.php
@@ -0,0 +1,16 @@
+<form id='unValForm'>
+  <div class="row mb-2">
+    <h4>Unvalidate <?=$accessnumber;?></h4>
+  </div>
+  <div class="row m-2">
+    <input type='hidden' name='accessnumber' value='<?=$accessnumber;?>'>
+    <input type='hidden' name='userid' value='<?=session('userid');?>'> 
+    <textarea class='form-control' name='comment' placeholder="Note ..." rows='5'></textarea>
+  </div>
+
+  <div class='row mb-2 mx-2'>
+    <div class='col text-end'>
+      <button class='btn btn-xs btn-warning' onclick="event.preventDefault();unvalidateRequest('unValForm', <?=$accessnumber;?>);">Un-Validate</button>
+    </div>
+  </div>
+</form>
\ No newline at end of file
diff --git a/public/js/admin/request.js b/public/js/admin/request.js
index 7302f96..89c03e5 100644
--- a/public/js/admin/request.js
+++ b/public/js/admin/request.js
@@ -21,31 +21,67 @@
     });
   }
 
-  function unvalidate(accessnumber,userid) {
-    if(confirm("Are you sure?")) {
-			fetch(`${BASE_URL}/api/request/validate/${accessnumber}`, {
-				method: "DELETE",
-				headers: {"Content-Type": "application/json"},
-				body: JSON.stringify({ userid:`${userid}` })
-			}).then(response => {
-				console.log("Response:", response);
-				$(`#val1user-${accessnumber}`).text("1 : ");
-				$(`#val2user-${accessnumber}`).text("2 : ");
-				$(`#valBtn-${accessnumber}`).prop('disabled', false);
-				$(`#unvalBtn-${accessnumber}`).prop('disabled', false);
-			}).catch(error => {
-				console.log("Error:", error);
-			});
-  
-      /*
-			const cell = document.querySelector(`[data-acc="${accessnumber}"]`);
-      if(cell){
-        cell.querySelector(".badge").textContent = "0";
-        const btn = cell.querySelector(".invalidate-btn");
-        if (btn) btn.remove();
+  function unvalidateShow(accessnumber) {
+    const modalBody = $('#unvalidateModal .modal-body');
+    modalBody.html('<div class="text-center py-5"><div class="spinner-border text-primary" role="status"><span class="visually-hidden">Loading...</span></div><p class="mt-2">Fetching verification details for #' + accessnumber + '...</p></div>');
+
+    $.ajax({
+      url: `${BASE_URL}/api/request/unvalidate/${accessnumber}`,
+      method: 'GET',
+      dataType: 'html',
+      success: function(response) {  
+        modalBody.html(response);
+      },
+      error: function(xhr, status, error) {
+        console.error("AJAX Error:", status, error);
+        modalBody.html(`
+          <div class="alert alert-danger" role="alert">
+            <strong>Error loading content:</strong> Could not retrieve verification details.
+            <p class="mt-1 mb-0"><small>Details: ${error}</small></p>
+          </div>
+        `);
       }
-			*/
-    } 
+    });
+  }
+  // Function to convert form data into a simple object
+  function formToObject(formElement) {
+    const data = new FormData(formElement);
+    const obj = {};
+    for (const [key, value] of data.entries()) {
+      obj[key] = value;
+    }
+    return obj;
+  }
+
+  // Function to handle the DELETE request
+  function unvalidateRequest(formId, accessnumber) {
+    const formElement = document.getElementById(formId);
+
+    if (confirm("Are you sure you want to unvalidate this request?")) {
+
+    var formDataObject = formToObject(formElement);
+
+    fetch(`${BASE_URL}/api/request/validate/${accessnumber}`, {
+      method: "DELETE",
+      headers: { "Content-Type": "application/json"},
+      body: JSON.stringify( formDataObject )
+    })
+    .then(response => {
+      if (!response.ok) { return response.json().then(err => { throw err; }); }
+      return response.json();
+    })
+    .then(data => {
+      $(`#unvalidateModal`).modal('hide');
+      console.log("Success Response:", data);
+      $(`#val1user-${accessnumber}`).text("1 : ");
+      $(`#val2user-${accessnumber}`).text("2 : ");
+      $(`#valBtn-${accessnumber}`).prop('disabled', false);
+    })
+    .catch(error => {
+      console.error("Fetch Error:", error);
+      alert(`Error unvalidating the request. Details: ${error.message || error}`);
+      });
+    }
   }
 
   function validate(accessnumber,userid) {