diff --git a/baselib/src/main/java/com/utsmyanmar/baselib/TerminalKeyUtil.java b/baselib/src/main/java/com/utsmyanmar/baselib/TerminalKeyUtil.java
index e38ca3d..ad85785 100644
--- a/baselib/src/main/java/com/utsmyanmar/baselib/TerminalKeyUtil.java
+++ b/baselib/src/main/java/com/utsmyanmar/baselib/TerminalKeyUtil.java
@@ -24,7 +24,8 @@ public final class TerminalKeyUtil {
 
 //    private static final byte[] main_key_data = ByteUtil.hexStr2Bytes("B4D74774CC846CAFF6D1AAAC2EB79CFF".toUpperCase()); // KBZ UAT
 //    private static final byte[] main_key_usd_data = ByteUtil.hexStr2Bytes("3f4bcac6cc559ab12bbbc5a51118f3f5".toUpperCase()); // KBZ UAT
-    private static final byte[] main_key_data = ByteUtil.hexStr2Bytes("3F4BCAC6CC559AB12BBBC5A51118F3F5".toUpperCase());
+//    private static final byte[] main_key_data = ByteUtil.hexStr2Bytes("3F4BCAC6CC559AB12BBBC5A51118F3F5".toUpperCase());
+    private static final byte[] main_key_data = ByteUtil.hexStr2Bytes("b4d74774cc846caff6d1aaac2eb79cff".toUpperCase());
 //    private static final byte[] main_key_data = ByteUtil.hexStr2Bytes("e121249099a677e8b7d4f6a9d49fe8d1".toUpperCase()); // MPU
     private static final byte[] work_key_data = new byte[16];
     public static void initNexKey() {
diff --git a/paylibs/src/main/java/com/utsmyanmar/paylibs/transactions/TransactionsOperation.java b/paylibs/src/main/java/com/utsmyanmar/paylibs/transactions/TransactionsOperation.java
index 955f3e6..6b1c263 100644
--- a/paylibs/src/main/java/com/utsmyanmar/paylibs/transactions/TransactionsOperation.java
+++ b/paylibs/src/main/java/com/utsmyanmar/paylibs/transactions/TransactionsOperation.java
@@ -361,6 +361,12 @@ public class TransactionsOperation {
 //            String field60 = String.format(Locale.getDefault(), "%010d00", oldPay.getAmount());
             newPay.setReferNo(oldPay.getReferNo());
             newPay.setTransCVM(TransCVM.SIGNATURE);
+            // for USD/MMK merchant
+            newPay.setTerminalNo(oldPay.getTerminalNo());
+            newPay.setMerchantNo(oldPay.getMerchantNo());
+            newPay.setCurrency(oldPay.getCurrency());
+            newPay.setCurrencyCode(oldPay.getCurrencyCode());
+
             newTrade.setField60(field60);
         } else if (transactionsType == TransactionsType.PRE_AUTH_VOID) {
             newPay.setCardType(oldPay.getCardType());
@@ -374,6 +380,12 @@ public class TransactionsOperation {
             newPay.setAmount(oldPay.getAmount());
             // for manual entry reversal which need de 35
 
+            // for USD/MMK merchant
+            newPay.setTerminalNo(oldPay.getTerminalNo());
+            newPay.setMerchantNo(oldPay.getMerchantNo());
+            newPay.setCurrency(oldPay.getCurrency());
+            newPay.setCurrencyCode(oldPay.getCurrencyCode());
+
         } else if (transactionsType == TransactionsType.TIP_ADJUSTMENT ) {
             newPay.setReferNo(oldPay.getReferNo());
             newPay.setApprovalCode(oldPay.getApprovalCode());
@@ -387,6 +399,12 @@ public class TransactionsOperation {
             newPay.setTradeTime(oldPay.getTradeTime()); // mpu
             newPay.setTradeDate(oldPay.getTradeDate()); // mpu
 
+            // for USD/MMK merchant
+            newPay.setTerminalNo(oldPay.getTerminalNo());
+            newPay.setMerchantNo(oldPay.getMerchantNo());
+            newPay.setCurrency(oldPay.getCurrency());
+            newPay.setCurrencyCode(oldPay.getCurrencyCode());
+
         } else if (transactionsType == TransactionsType.PRE_AUTH_COMPLETE_VOID) {
             newPay.setVoucherNo(oldPay.getVoucherNo());
             newPay.setCustomOrderNo(oldPay.getVoucherNo());
@@ -398,6 +416,12 @@ public class TransactionsOperation {
             newPay.setCardType(BaseCardType.IC.getValue());
             newPay.setPINCipher("55");
             newPay.setTransCVM(TransCVM.SIGNATURE);
+
+            // for USD/MMK merchant
+            newPay.setTerminalNo(oldPay.getTerminalNo());
+            newPay.setMerchantNo(oldPay.getMerchantNo());
+            newPay.setCurrency(oldPay.getCurrency());
+            newPay.setCurrencyCode(oldPay.getCurrencyCode());
         }