diff --git a/app/src/main/java/com/utsmm/kbz/ui/SettingsFragment.java b/app/src/main/java/com/utsmm/kbz/ui/SettingsFragment.java
index 965cd4c..ae736c0 100644
--- a/app/src/main/java/com/utsmm/kbz/ui/SettingsFragment.java
+++ b/app/src/main/java/com/utsmm/kbz/ui/SettingsFragment.java
@@ -327,6 +327,17 @@ public class SettingsFragment extends DataBindingFragment {
             }
         }
 
+        public void onClearReversalClick() {
+            try {
+                sharedViewModel.transactionsType.postValue(TransactionsType.CLEAR_REVERSAL);
+                sharedViewModel.setTransMenu(TransMenu.CLEAR_REVERSAL);
+                Navigation.findNavController(requireActivity(), R.id.nav_host_fragment)
+                        .navigate(R.id.inputPasswordFragment);
+            } catch (Exception e) {
+                LogUtil.e(TAG, "Error in clear reversal click: " + e.getMessage());
+            }
+        }
+
         public void onTmsConfigClick() {
             try {
                 LogUtil.d(TAG, "TMS Config clicked");
diff --git a/app/src/main/java/com/utsmm/kbz/ui/core_ui/ProcessingFragment.java b/app/src/main/java/com/utsmm/kbz/ui/core_ui/ProcessingFragment.java
index 6cc28be..1b9cec3 100644
--- a/app/src/main/java/com/utsmm/kbz/ui/core_ui/ProcessingFragment.java
+++ b/app/src/main/java/com/utsmm/kbz/ui/core_ui/ProcessingFragment.java
@@ -6,6 +6,7 @@ import android.view.View;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
+import androidx.lifecycle.Observer;
 import androidx.navigation.NavController;
 import androidx.navigation.NavDestination;
 
@@ -17,6 +18,9 @@ import com.utsmyanmar.baselib.fragment.DataBindingFragment;
 import com.utsmyanmar.baselib.network.model.e_receipt.EReceiptRequest;
 import com.utsmyanmar.baselib.util.DataBindingConfig;
 import com.utsmyanmar.baselib.util.TimeoutCallback;
+import com.utsmyanmar.paylibs.model.TradeData;
+import com.utsmyanmar.paylibs.reversal.ReversalAction;
+import com.utsmyanmar.paylibs.reversal.ReversalListener;
 import com.utsmyanmar.paylibs.utils.core_utils.SystemParamsOperation;
 import com.utsmm.kbz.BR;
 import com.utsmm.kbz.R;
@@ -104,6 +108,17 @@ public class ProcessingFragment extends DataBindingFragment {
         setToolBarTitleWithoutBackIcon(getResourceString(R.string.title_processing));
 
 
+        checkReversal();
+
+
+
+//        disableNavigationBar();
+
+        getNavController(Constants.NAV_HOST_ID).addOnDestinationChangedListener(listener);
+
+    }
+
+    private void startTransactionProcess() {
         if(isEmvTrans()) {
             startTransactionProcess(emvTransactionProcessViewModel);
         } else {
@@ -111,11 +126,44 @@ public class ProcessingFragment extends DataBindingFragment {
         }
 
         sharedViewModel.loadingMsg(getResourceString(R.string.txt_sending));
+    }
 
-//        disableNavigationBar();
+    private void checkReversal() {
+        sharedViewModel.getLastReversalTransaction().observe(getViewLifecycleOwner(), new Observer<PayDetail>() {
+            @Override
+            public void onChanged(PayDetail payDetail) {
+                if(payDetail != null) {
+                    TradeData tradeData = new TradeData();
+                    tradeData.setPayDetail(payDetail);
+                    LogUtil.d(TAG,"Sending Reversal!");
+                    sharedViewModel.loadingMsg(getResourceString(R.string.txt_sending_reversal));
 
-        getNavController(Constants.NAV_HOST_ID).addOnDestinationChangedListener(listener);
+                    ReversalAction.getInstance().setData(tradeData).enqueue().startReversal(new ReversalListener() {
+                        @Override
+                        public void onSuccessReversal() {
+                            LogUtil.d(TAG,"Reversal Success!");
+                            payDetail.setIsNeedReversal(false);
+                            sharedViewModel.updatePayDetail(payDetail);
+                            startTransactionProcess();
+                        }
 
+                        @Override
+                        public void onNetworkFail(String msg) {
+                            LogUtil.d(TAG,"Reversal Network Fail!"+msg);
+                            startTransactionProcess();
+                        }
+
+                        @Override
+                        public void onFailReversal(String msg) {
+                            LogUtil.d(TAG,"Reversal Fail!"+msg);
+                            startTransactionProcess();
+                        }
+                    });
+                } else {
+                    startTransactionProcess();
+                }
+            }
+        });
     }
 
     private boolean isEmvTrans() {
diff --git a/app/src/main/java/com/utsmm/kbz/ui/core_viewmodel/SharedViewModel.java b/app/src/main/java/com/utsmm/kbz/ui/core_viewmodel/SharedViewModel.java
index 37de649..903af51 100644
--- a/app/src/main/java/com/utsmm/kbz/ui/core_viewmodel/SharedViewModel.java
+++ b/app/src/main/java/com/utsmm/kbz/ui/core_viewmodel/SharedViewModel.java
@@ -2,6 +2,7 @@ package com.utsmm.kbz.ui.core_viewmodel;
 
 import android.graphics.Bitmap;
 import android.util.Log;
+import android.widget.ListView;
 
 import dagger.hilt.android.lifecycle.HiltViewModel;
 import androidx.lifecycle.LiveData;
@@ -447,6 +448,14 @@ public class SharedViewModel extends ViewModel {
         return repository.getReversalTransaction(voucherNo);
     }
 
+    public LiveData<PayDetail> getLastReversalTransaction() {
+        return repository.getLastReversalTransaction();
+    }
+
+    public LiveData<List<PayDetail>> getAllReversalTransaction() {
+        return repository.getAllReversalTransactions();
+    }
+
     public void updatePayDetail(PayDetail payDetail){
         repository.updatePayDetail(payDetail);
     }
diff --git a/app/src/main/java/com/utsmm/kbz/ui/management/SelectHostFragment.java b/app/src/main/java/com/utsmm/kbz/ui/management/SelectHostFragment.java
index 668d63d..66deee9 100644
--- a/app/src/main/java/com/utsmm/kbz/ui/management/SelectHostFragment.java
+++ b/app/src/main/java/com/utsmm/kbz/ui/management/SelectHostFragment.java
@@ -210,21 +210,43 @@ public class SelectHostFragment extends DataBindingFragment implements DataBindi
 
     private void clearReversal() {
         checkPointReversal = false;
-        sharedViewModel.getReversalTransaction(SystemParamsOperation.getInstance().getCurrentSerialNum()).observe(getViewLifecycleOwner(), payDetail -> {
-            if (payDetail != null) {
-                if (!checkPointReversal) {
-                    payDetail.setIsNeedReversal(false);
-                    sharedViewModel.updatePayDetail(payDetail);
-                    checkPointReversal = true;
+//        sharedViewModel.getReversalTransaction(SystemParamsOperation.getInstance().getCurrentSerialNum()).observe(getViewLifecycleOwner(), payDetail -> {
+//            if (payDetail != null) {
+//                if (!checkPointReversal) {
+//                    payDetail.setIsNeedReversal(false);
+//                    sharedViewModel.updatePayDetail(payDetail);
+//                    checkPointReversal = true;
+//
+//                    showSuccessDialog("Clear reversal success!");
+//                }
+//            } else {
+//                if (!checkPointReversal) {
+//                    showInfoDialog("Clear reversal", "No reversal found!");
+//                    checkPointReversal = true;
+//                }
+//
+//            }
+//        });
 
-                    showSuccessDialog("Clear reversal success!");
-                }
-            } else {
-                if (!checkPointReversal) {
-                    showInfoDialog("Clear reversal", "No reversal found!");
-                    checkPointReversal = true;
-                }
+        sharedViewModel.getAllReversalTransaction().observe(getViewLifecycleOwner(), new Observer<List<PayDetail>>() {
+            @Override
+            public void onChanged(List<PayDetail> payDetails) {
+                if(payDetails != null && !payDetails.isEmpty()) {
+                    if(!checkPointReversal) {
+                        for (PayDetail payDetail : payDetails) {
+                            payDetail.setIsNeedReversal(false);
+                            sharedViewModel.updatePayDetail(payDetail);
 
+                        }
+                        checkPointReversal = true;
+                        showSuccessDialog("Clear reversal success!");
+                    }
+                } else {
+                    if (!checkPointReversal) {
+                        showInfoDialog("Clear reversal", "No reversal found!");
+                        checkPointReversal = true;
+                    }
+                }
             }
         });
     }
diff --git a/app/src/main/res/layout/fragment_settings_modern.xml b/app/src/main/res/layout/fragment_settings_modern.xml
index 910234e..8796b87 100644
--- a/app/src/main/res/layout/fragment_settings_modern.xml
+++ b/app/src/main/res/layout/fragment_settings_modern.xml
@@ -969,6 +969,81 @@
 
                     </androidx.cardview.widget.CardView>
 
+                    <!-- Clear Reversal Card -->
+                    <androidx.cardview.widget.CardView
+                        android:id="@+id/clearReversalCard"
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        android:layout_marginBottom="12dp"
+                        android:clickable="true"
+                        android:foreground="?android:attr/selectableItemBackground"
+                        android:onClick="@{()->click.onClearReversalClick()}"
+                        app:cardBackgroundColor="@color/white"
+                        app:cardCornerRadius="16dp"
+                        app:cardElevation="2dp">
+
+                        <LinearLayout
+                            android:layout_width="match_parent"
+                            android:layout_height="wrap_content"
+                            android:gravity="center_vertical"
+                            android:orientation="horizontal"
+                            android:padding="20dp">
+
+                            <androidx.cardview.widget.CardView
+                                android:layout_width="48dp"
+                                android:layout_height="48dp"
+                                android:layout_marginEnd="16dp"
+                                app:cardBackgroundColor="@color/colorPrimary"
+                                app:cardCornerRadius="24dp"
+                                app:cardElevation="0dp">
+
+                                <ImageView
+                                    android:layout_width="24dp"
+                                    android:layout_height="24dp"
+                                    android:layout_gravity="center"
+                                    android:src="@drawable/ic_clear_all"
+                                    app:tint="@color/white" />
+
+                            </androidx.cardview.widget.CardView>
+
+                            <LinearLayout
+                                android:layout_width="0dp"
+                                android:layout_height="wrap_content"
+                                android:layout_weight="1"
+                                android:orientation="vertical">
+
+                                <TextView
+                                    android:layout_width="wrap_content"
+                                    android:layout_height="wrap_content"
+                                    android:fontFamily="@font/rubik_medium"
+                                    android:text="@string/title_clear_reversal"
+                                    android:textColor="@color/colorTextTitle"
+                                    android:textSize="18sp"
+                                    android:textStyle="bold"
+                                    tools:fontFamily="sans-serif-medium" />
+
+                                <TextView
+                                    android:layout_width="wrap_content"
+                                    android:layout_height="wrap_content"
+                                    android:layout_marginTop="2dp"
+                                    android:fontFamily="@font/rubik_regular"
+                                    android:text="@string/clear_reversal_description"
+                                    android:textColor="@color/colorTextContent"
+                                    android:textSize="14sp"
+                                    tools:fontFamily="sans-serif" />
+
+                            </LinearLayout>
+
+                            <ImageView
+                                android:layout_width="20dp"
+                                android:layout_height="20dp"
+                                android:src="@drawable/ic_right_arrow"
+                                app:tint="@color/colorPrimary" />
+
+                        </LinearLayout>
+
+                    </androidx.cardview.widget.CardView>
+
                     <!-- TMS Server URL Card -->
 <!--                    android:onClick="@{()->click.onTmsAddressClick()}"-->
                     <androidx.cardview.widget.CardView
diff --git a/baselib/src/main/java/com/utsmyanmar/baselib/db/dao/PayDetailDao.java b/baselib/src/main/java/com/utsmyanmar/baselib/db/dao/PayDetailDao.java
index 24da99c..f1458af 100644
--- a/baselib/src/main/java/com/utsmyanmar/baselib/db/dao/PayDetailDao.java
+++ b/baselib/src/main/java/com/utsmyanmar/baselib/db/dao/PayDetailDao.java
@@ -97,6 +97,12 @@ public interface PayDetailDao {
     @Query("SELECT * FROM paydetail WHERE transactionType = 10 AND isNeedReversal = 1 AND voucherNo IN(:voucherNo)")
     LiveData<PayDetail> getReversalTransaction(String voucherNo);
 
+    @Query("SELECT * FROM PayDetail WHERE isNeedReversal = 1 ORDER BY PID DESC LIMIT 1")
+    LiveData<PayDetail> getLastReversalTransactionLive();
+
+    @Query("SELECT * FROM PayDetail WHERE isNeedReversal = 1 ORDER BY PID DESC")
+    LiveData<List<PayDetail>> getAllReversalTransactionsLive();
+
 //    @Query("SELECT * FROM paydetail WHERE transactionType != 10 ORDER BY PID DESC")
     @Query("SELECT * FROM paydetail ORDER BY PID DESC")
     LiveData<List<PayDetail>> getTransactionHistory();
diff --git a/baselib/src/main/java/com/utsmyanmar/baselib/repo/Repository.java b/baselib/src/main/java/com/utsmyanmar/baselib/repo/Repository.java
index 7608977..791cbac 100644
--- a/baselib/src/main/java/com/utsmyanmar/baselib/repo/Repository.java
+++ b/baselib/src/main/java/com/utsmyanmar/baselib/repo/Repository.java
@@ -146,6 +146,8 @@ public class Repository {
     public void updatePayDetail(PayDetail payDetail){payDetailDao.update(payDetail);}
 
     public LiveData<PayDetail> getReversalTransaction(String voucherNo) { return payDetailDao.getReversalTransaction(voucherNo);}
+    public LiveData<PayDetail> getLastReversalTransaction() { return payDetailDao.getLastReversalTransactionLive();}
+    public LiveData<List<PayDetail>> getAllReversalTransactions() { return payDetailDao.getAllReversalTransactionsLive();}
 
     public LiveData<List<PayDetail>> getTransactionHistory(){ return payDetailDao.getTransactionHistory();}