diff --git a/generic_data/migration/Modified.xml b/generic_data/migration/Modified.xml
index 4efb7d2..68fc442 100644
--- a/generic_data/migration/Modified.xml
+++ b/generic_data/migration/Modified.xml
@@ -20,7 +20,6 @@
 	<param_convert xml:id="vex_venus_r" oldid="sys_vex_r"/>
 	<param_convert xml:id="it_v_gse" oldid="it_v"/>
 	<param_convert xml:id="cass_wl" oldid="cass_wl_iau"/>
-	<!--<param_convert xml:id="mex_mars_r" oldid="pol_mex_pc(0)"/>-->
 	<param_convert xml:id="lat_mex_iau" oldid="pol_mex_pc(1)"/>
 	<param_convert xml:id="lon_mex_iau" oldid="pol_mex_pc(2)"/>
 	<param_convert xml:id="b_t96gsm" oldid="bt96"/>
diff --git a/generic_data/migration/PostProcess.xml b/generic_data/migration/PostProcess.xml
new file mode 100644
index 0000000..7d50fa2
--- /dev/null
+++ b/generic_data/migration/PostProcess.xml
@@ -0,0 +1,4 @@
+<?xml version="1.0"?>
+<conversion>
+	<param_convert xml:id="sw_vb" oldid="sw_v_gseb"/>
+</conversion>
diff --git a/php/classes/UserWsTransfer.php b/php/classes/UserWsTransfer.php
index 9b35191..5de3e89 100644
--- a/php/classes/UserWsTransfer.php
+++ b/php/classes/UserWsTransfer.php
@@ -7,7 +7,7 @@ class UserWsTransfer {
 
 	private $oldWs, $newWs, $Mgr;
 	private $oldWsDir, $newWsDir;
-	private $ws_deleted, $wsd_deleted, $pairs, $specParams;
+	private $ws_deleted, $wsd_deleted, $pairs, $specParams, $postPairs;
    
 	function __construct($user) 
 	{  
@@ -29,6 +29,7 @@ class UserWsTransfer {
 		$this->ws_deleted = array();
 		$this->wsd_deleted = array();
 		$this->getModified();
+		$this->getReprocessed();
 		$this->getSpectra();
 	}
 	
@@ -127,6 +128,23 @@ class UserWsTransfer {
 		$this->pairs = $pairs;
 	}
 	
+	private function getReprocessed() 
+	{
+		$convertXML = new DomDocument("1.0");
+		$modifiedFile = CONVERSIONDIR.'PostProcess.xml';
+			
+		if (!$convertXML->load($modifiedFile)) 
+							error_log('ERROR loading '.$modifiedFile,1,email);
+		$convertedNodes = $convertXML->getElementsByTagName('param_convert');
+
+		foreach ($convertedNodes as $item) {   
+			$pairs[$item->getAttribute('oldid')] = $item->getAttribute('xml:id');
+		}    
+		krsort($pairs, SORT_NATURAL);
+		
+		$this->postPairs = $pairs;
+	}
+	
 	private function getSpectra() 
 	{
 		$convertXML = new DomDocument("1.0");
@@ -144,11 +162,13 @@ class UserWsTransfer {
 	private function updateParams($expression)
 	{
 		$newExp = strtr($expression, $this->pairs);
-		$expression = $newExp;
-
-		return $expression;
+		if (!empty($this->postPairs))
+			$expFinal = strtr($newExp, $this->postPairs);
+		
+		return $expFinal;
 	}
-
+	
+	
 	protected function createDom() 
 	{
 		$types = array('param' => 'derived', 'mydata' => 'myData');
@@ -273,6 +293,7 @@ class UserWsTransfer {
 			if ($nodeInWS) {
 				$buildchain = $nodeInWS->getAttribute('buildchain');
 				$buildchainUpdated = $this->updateParams($buildchain);
+				
 				$nodeInWS->setAttribute('buildchain',$buildchainUpdated);
 			}
 		}
--
libgit2 0.21.2