diff --git a/pu/src/private/nc/impl/pu/m23/approve/rule/ChkCanUnApproveRule.java b/pu/src/private/nc/impl/pu/m23/approve/rule/ChkCanUnApproveRule.java
new file mode 100644
index 0000000..7c383c6
--- /dev/null
+++ b/pu/src/private/nc/impl/pu/m23/approve/rule/ChkCanUnApproveRule.java
@@ -0,0 +1,138 @@
+package nc.impl.pu.m23.approve.rule;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import nc.impl.pubapp.pattern.rule.IRule;
+import nc.itf.pu.reference.ic.M45PUServices;
+import nc.itf.pu.reference.ic.M47PUServices;
+import nc.vo.ml.NCLangRes4VoTransl;
+import nc.vo.pu.m23.entity.ArriveItemVO;
+import nc.vo.pu.m23.entity.ArriveVO;
+import nc.vo.pu.pub.util.ApproveFlowUtil;
+import nc.vo.pub.lang.UFBoolean;
+import nc.vo.pub.lang.UFDouble;
+import nc.vo.pubapp.pattern.exception.ExceptionUtils;
+import nc.vo.pubapp.pattern.pub.MathTool;
+import nc.vo.scmpub.res.billtype.IBillType;
+import nc.vo.scmpub.res.billtype.POBillType;
+import nc.vo.scmpub.res.billtype.SCBillType;
+
+
+public class ChkCanUnApproveRule
+  extends Object
+  implements IRule<ArriveVO>
+{
+  public void process(ArriveVO[] voArray) {
+    for (ArriveVO aggVO : voArray)
+    {
+      chkCanUnApprove(aggVO);
+    }
+    
+    checkHasPurchaseIn(voArray);
+    
+    checkHasSubcontIn(voArray);
+  }
+  
+  private void checkHasPurchaseIn(ArriveVO[] vos) {
+    List<String> hidLst = getHIDSourceFrom(vos, POBillType.Order);
+    if (hidLst.size() == 0) {
+      return;
+    }
+    Map<String, UFBoolean> hidMap = M45PUServices.getMapBysrcHid((String[])hidLst
+        .toArray(new String[hidLst.size()]));
+    if (null == hidMap || hidMap.size() == 0) {
+      return;
+    }
+    for (UFBoolean value : hidMap.values()) {
+      if (UFBoolean.TRUE.equals(value)) {
+        throwHasStoreInExp();
+      }
+    } 
+  }
+  
+  private void checkHasSubcontIn(ArriveVO[] vos) {
+    List<String> hidLst = getHIDSourceFrom(vos, SCBillType.Order);
+    if (hidLst.size() == 0) {
+      return;
+    }
+    if (M47PUServices.hasFromSource(hidLst)) {
+      throwHasStoreInExp();
+    }
+  }
+
+  
+  private void chkCanUnApprove(ArriveVO aggVO) {
+    if (!ApproveFlowUtil.isCanUnApprove(aggVO)) {
+      String message = NCLangRes4VoTransl.getNCLangRes().getStrByID("4004040_0", "04004040-0122");
+      ExceptionUtils.wrappBusinessException(message);
+    } 
+    
+    ArriveItemVO[] itemVOArray = aggVO.getBVO();
+    for (int i = 0; i < itemVOArray.length; i++) {
+      
+      if (MathTool.nvl(itemVOArray[i].getNaccumstorenum()).doubleValue() > 0.0D) {
+        throwHasStoreInExp();
+      }
+      if (itemVOArray[i].getBfaflag().booleanValue())
+      {
+        ExceptionUtils.wrappBusinessException(
+            NCLangRes4VoTransl.getNCLangRes().getStrByID("4004040_0", "04004040-0124"));
+      }
+
+      if (MathTool.nvl(itemVOArray[i].getNaccumreplnum()).doubleValue() > 0.0D)
+      {
+        ExceptionUtils.wrappBusinessException(
+            NCLangRes4VoTransl.getNCLangRes().getStrByID("4004040_0", "04004040-0125"));
+      }
+
+      if (aggVO.getHVO().getBisback() == null || !aggVO.getHVO().getBisback().booleanValue())
+      {
+        if (MathTool.nvl(itemVOArray[i].getNaccumchecknum())
+          .doubleValue() > 0.0D)
+        {
+          ExceptionUtils.wrappBusinessException(
+              NCLangRes4VoTransl.getNCLangRes().getStrByID("4004040_0", "04004040-0126"));
+        }
+      }
+      
+      if (MathTool.nvl(itemVOArray[i].getNaccumletgonum()).doubleValue() > 0.0D)
+      {
+        ExceptionUtils.wrappBusinessException(
+            NCLangRes4VoTransl.getNCLangRes().getStrByID("4004040_0", "04004040-0127"));
+      }
+      
+      if (UFBoolean.TRUE.equals(itemVOArray[i].getBtransasset()))
+      {
+        ExceptionUtils.wrappBusinessException(
+            NCLangRes4VoTransl.getNCLangRes().getStrByID("4004040_0", "04004040-0128"));
+      }
+      
+      if (itemVOArray[i].getNaccumbacknum() != null && 
+        !UFDouble.ZERO_DBL.equals(itemVOArray[i]
+          .getNaccumbacknum()))
+      {
+        ExceptionUtils.wrappBusinessException(
+            NCLangRes4VoTransl.getNCLangRes().getStrByID("4004040_0", "04004040-0192"));
+      }
+    } 
+  }
+
+  private List<String> getHIDSourceFrom(ArriveVO[] vos, IBillType bt) {
+    List<String> hidLst = new ArrayList<String>();
+    for (ArriveVO vo : vos) {
+      for (ArriveItemVO item : vo.getBVO()) {
+        if (bt.getCode().equals(item.getCsourcetypecode())) {
+          hidLst.add(item.getPk_arriveorder());
+          break;
+        } 
+      } 
+    } 
+    return hidLst;
+  }
+  
+  private void throwHasStoreInExp() {
+    ExceptionUtils.wrappBusinessException(
+        NCLangRes4VoTransl.getNCLangRes().getStrByID("4004040_0", "04004040-0123"));
+  }
+}