diff --git a/src/Finance/Chargeback/ChargebackReasonHelper.php b/src/Finance/Chargeback/ChargebackReasonHelper.php
index c0446c3..34c96b8 100644
--- a/src/Finance/Chargeback/ChargebackReasonHelper.php
+++ b/src/Finance/Chargeback/ChargebackReasonHelper.php
@@ -1,6 +1,7 @@
 <?php
 namespace Packaged\Rwd\Finance\Chargeback;
 
+use Packaged\Rwd\Finance\Chargeback\Reasons\AccelChargebackReason;
 use Packaged\Rwd\Finance\Chargeback\Reasons\AmericanExpressChargebackReason;
 use Packaged\Rwd\Finance\Chargeback\Reasons\DinersChargebackReason;
 use Packaged\Rwd\Finance\Chargeback\Reasons\DiscoverCardChargebackReason;
@@ -97,6 +98,10 @@ public static function fromCode($value)
       case DiscoverCardChargebackReason::RSN_4541;
       case DiscoverCardChargebackReason::RSN_4553;
       case DiscoverCardChargebackReason::RSN_4555;
+      case DiscoverCardChargebackReason::RSN_4542;
+      case DiscoverCardChargebackReason::RSN_4586;
+      case DiscoverCardChargebackReason::RSN_4865;
+      case DiscoverCardChargebackReason::RSN_4753;
       case DiscoverCardChargebackReason::RSN_4752;
       case DiscoverCardChargebackReason::RSN_4755;
       case DiscoverCardChargebackReason::RSN_4866;
@@ -284,6 +289,9 @@ public static function fromCode($value)
       case StarChargebackReason::RSN_6000:
       case StarChargebackReason::RSN_6500:
         return StarChargebackReason::create($value);
+
+      case AccelChargebackReason::RSN_41:
+        return AccelChargebackReason::create($value);
     }
 
     return ChargebackReason::create($value, self::UNKNOWN_REASON);
diff --git a/src/Finance/Chargeback/Reasons/AccelChargebackReason.php b/src/Finance/Chargeback/Reasons/AccelChargebackReason.php
new file mode 100644
index 0000000..99b4536
--- /dev/null
+++ b/src/Finance/Chargeback/Reasons/AccelChargebackReason.php
@@ -0,0 +1,24 @@
+<?php
+
+namespace Packaged\Rwd\Finance\Chargeback\Reasons;
+
+use Packaged\Rwd\Finance\Chargeback\ChargebackCategory;
+use Packaged\Rwd\Finance\Chargeback\ChargebackReason;
+
+class AccelChargebackReason extends ChargebackReason
+{
+  const RSN_41 = "41";
+
+  public static function create($code, $description = '', $category = ChargebackCategory::OTHER)
+  {
+    $reason = parent::create($code, $description, $category);
+    switch($code)
+    {
+      case self::RSN_41:
+        $reason->description = "Correction Item";
+        $reason->category = ChargebackCategory::OTHER;
+        break;
+    }
+    return $reason;
+  }
+}
diff --git a/src/Finance/Chargeback/Reasons/DiscoverCardChargebackReason.php b/src/Finance/Chargeback/Reasons/DiscoverCardChargebackReason.php
index 11e0728..bb7a664 100644
--- a/src/Finance/Chargeback/Reasons/DiscoverCardChargebackReason.php
+++ b/src/Finance/Chargeback/Reasons/DiscoverCardChargebackReason.php
@@ -12,11 +12,20 @@ class DiscoverCardChargebackReason extends ChargebackReason
   const RSN_3041 = '3041';
   const RSN_4534 = '4534';
   const RSN_4541 = '4541';
+  const RSN_4542 = '4542';
+  const RSN_4550 = '4550';
   const RSN_4553 = '4553';
   const RSN_4555 = '4555';
+  const RSN_4586 = '4586';
   const RSN_4752 = '4752';
+  const RSN_4753 = '4753';
   const RSN_4755 = '4755';
+  const RSN_4762 = '4762';
+  const RSN_4863 = '4863';
+  const RSN_4864 = '4864';
+  const RSN_4865 = '4865';
   const RSN_4866 = '4866';
+  const RSN_4867 = '4867';
   const RSN_5621 = '5621';
   const RSN_6005 = '6005';
   const RSN_6021 = '6021';
@@ -36,8 +45,8 @@ class DiscoverCardChargebackReason extends ChargebackReason
   const RSN_CR = 'CR';
   const RSN_DA = 'DA';
   const RSN_DC = 'DC';
-  const RSN_DP = 'DP';
   const RSN_DP1 = 'DP1';
+  const RSN_DP = 'DP';
   const RSN_EX = 'EX';
   const RSN_IC = 'IC';
   const RSN_IN = 'IN';
@@ -51,8 +60,8 @@ class DiscoverCardChargebackReason extends ChargebackReason
   const RSN_PM = 'PM';
   const RSN_RG = 'RG';
   const RSN_RM = 'RM';
-  const RSN_RN = 'RN';
   const RSN_RN2 = 'RN2';
+  const RSN_RN = 'RN';
   const RSN_SV = 'SV';
   const RSN_TF = 'TF';
   const RSN_TNM = 'TNM';
@@ -81,6 +90,7 @@ public static function create($code, $description = '', $category = ChargebackCa
     switch($code)
     {
       case self::RSN_5:
+      case self::RSN_4762:
         $reason->description = 'Good Faith Investigation';
         $reason->category = ChargebackCategory::CONSUMER;
         break;
@@ -169,10 +179,12 @@ public static function create($code, $description = '', $category = ChargebackCa
         $reason->category = ChargebackCategory::CONSUMER;
         break;
       case self::RSN_AT:
-        $reason->description = 'Authorization Noncompliance';
+      case self::RSN_4863:
+        $reason->description = 'Authorization Non-compliance';
         $reason->category = ChargebackCategory::AUTHORIZATION;
         break;
       case self::RSN_AW:
+      case self::RSN_4586:
         $reason->description = 'Altered Amount';
         $reason->category = ChargebackCategory::PROCESSING;
         break;
@@ -185,6 +197,7 @@ public static function create($code, $description = '', $category = ChargebackCa
         $reason->category = ChargebackCategory::FRAUD;
         break;
       case self::RSN_CD:
+      case self::RSN_4550:
         $reason->description = 'Credit / Debit Posted Incorrectly';
         $reason->category = ChargebackCategory::PROCESSING;
         break;
@@ -241,7 +254,8 @@ public static function create($code, $description = '', $category = ChargebackCa
         $reason->category = ChargebackCategory::OTHER;
         break;
       case self::RSN_NF:
-        $reason->description = 'Non - Receipt of Cash from ATM';
+      case self::RSN_4864:
+        $reason->description = 'Non receipt of Cash from ATM';
         $reason->category = ChargebackCategory::CONSUMER;
         break;
       case self::RSN_P:
@@ -249,6 +263,7 @@ public static function create($code, $description = '', $category = ChargebackCa
         $reason->category = ChargebackCategory::FRAUD;
         break;
       case self::RSN_PM:
+      case self::RSN_4865:
         $reason->description = 'Paid by Other Means';
         $reason->category = ChargebackCategory::PROCESSING;
         break;
@@ -297,6 +312,7 @@ public static function create($code, $description = '', $category = ChargebackCa
         $reason->category = ChargebackCategory::FRAUD;
         break;
       case self::RSN_UA06:
+      case self::RSN_4867:
         $reason->description = 'Chip and PIN Transaction';
         $reason->category = ChargebackCategory::FRAUD;
         break;
@@ -352,6 +368,14 @@ public static function create($code, $description = '', $category = ChargebackCa
         $reason->description = 'Not compliant and not classifiable';
         $reason->category = ChargebackCategory::OTHER;
         break;
+      case self::RSN_4542:
+        $reason->description = 'Late Presentation';
+        $reason->category = ChargebackCategory::FRAUD;
+        break;
+      case self::RSN_4753:
+        $reason->description = 'Invalid Cardholder Number';
+        $reason->category = ChargebackCategory::CONSUMER;
+        break;
     }
     return $reason;
   }