diff --git a/src/init_module/Import_modules.bas b/src/init_module/Import_modules.bas
index 71db349..c90ced6 100644
--- a/src/init_module/Import_modules.bas
+++ b/src/init_module/Import_modules.bas
@@ -5,7 +5,7 @@ Sub ImportModulesAndSheets_Safe()
     Dim fso As Object
     Set fso = CreateObject("Scripting.FileSystemObject")
     
-    Const PROJECT_PATH As String = "E:\AI\project\updsv7\vba\"
+    Const PROJECT_PATH As String = "D:\Project\upds7\vba\"
     Const MODULE_PATH As String = PROJECT_PATH & "src\module"
     Const SHEET_PATH As String = PROJECT_PATH & "src\sheet"
     
diff --git a/src/module/Common_Button.bas b/src/module/Common_Button.bas
index a077022..fb184e6 100644
--- a/src/module/Common_Button.bas
+++ b/src/module/Common_Button.bas
@@ -284,7 +284,6 @@ private Function RunValidationSilent(ws As Worksheet, Optional ByRef errorCountO
         Dim errorMessage As String : errorMessage = Trim(ws.Cells(r, errorCol).Value)
         Dim errorCode As String: errorCode = GetCode(errorMessage)
         If errorCode <> "W001" And errorCode <> "" Then
-            MsgBox errorMessage
             errorCountOut = errorCountOut + 1
         End If
     Next r
diff --git a/src/module/Common_Functions.bas b/src/module/Common_Functions.bas
index b56b293..f952e66 100644
--- a/src/module/Common_Functions.bas
+++ b/src/module/Common_Functions.bas
@@ -320,11 +320,111 @@ Public Function FormatDateInput(ByVal inputStr As String) As String
     End If
 End Function
 
-Function GetErrorMsg(ByVal errorCode As String, Optional ByVal param As String = "") As String
+Function GetErrorMsg(ByVal errorCode As String, Optional ByVal param0 As String = "", Optional ByVal param1 As String = "") As String
     Dim errorList As Object: Set errorList = GetErrorList()
     Dim errorMessage As String
     If errorList.Exists(errorCode) Then
-        errorMessage = MakeSelect(errorCode, Replace(errorList(errorCode)(0), "{0}", param))
+        errorMessage = Replace(errorList(errorCode)(0), "{0}", param0)
+        errorMessage = Replace(errorMessage, "{1}", param1)
+        errorMessage = MakeSelect(errorCode, errorMessage)
     End If
     GetErrorMsg = errorMessage
 End Function
+
+Function ColLetter(colNum As Long) As String
+    ColLetter = Split(Cells(1, colNum).Address, "$")(1)
+End Function
+
+Function CheckRequired(ByVal ws As Worksheet, ByVal rowNum As Long, ByVal colNum As Long, ByVal errorCol As String) As Boolean
+    Dim checkValue As String: checkValue = Trim(ws.Cells(rowNum, colNum).Value)
+    If checkValue = "" Then
+        Dim letter As String: letter = ColLetter(colNum)
+        ws.Cells(rowNum, errorCol).Value = GetErrorMsg("E002", letter & rowNum)
+        ws.Cells(rowNum, colNum).Interior.Color = RGB(255, 0, 0)
+        CheckRequired = False
+        Exit Function
+    End If
+    CheckRequired = True
+End Function
+
+Function CheckChar(ByVal ws As Worksheet, ByVal rowNum As Long, ByVal colNum As Long, ByVal charLength As Long, ByVal errorCol As String)
+    Dim checkValue As String: checkValue = Trim(ws.Cells(rowNum, colNum).Value)
+    If Len(checkValue) <> charLength Then
+        Dim letter As String: letter = ColLetter(colNum)
+        ws.Cells(rowNum, errorCol).Value = GetErrorMsg("E006", letter & rowNum, charLength)
+        ws.Cells(rowNum, colNum).Interior.Color = RGB(255, 0, 0)
+        CheckChar = False
+        Exit Function
+    End If
+    CheckChar = True
+End Function
+
+Function CheckAlphanumeric(ByVal ws As Worksheet, ByVal rowNum As Long, ByVal colNum As Long, ByVal charLength As Long, ByVal errorCol As String)
+    Dim checkValue As String: checkValue = Trim(ws.Cells(rowNum, colNum).Value)
+    Dim letter As String: letter = ColLetter(colNum)
+    Dim i As Long
+    Dim ch As String
+    For i = 1 To charLength
+        ch = Mid(checkValue, i, 1)
+        If Not ((ch >= "0" And ch <= "9") Or (ch >= "A" And ch <= "Z") Or (ch >= "a" And ch <= "z")) Then
+            ws.Cells(rowNum, errorCol).Value = GetErrorMsg("E005", letter & rowNum)
+            ws.Cells(rowNum, colNum).Interior.Color = RGB(255, 0, 0)
+            CheckAlphanumeric = False
+            Exit Function
+        End If
+    Next i
+
+    CheckAlphanumeric = True
+End Function
+
+Function CheckVarcharOver(ByVal ws As Worksheet, ByVal rowNum As Long, ByVal colNum As Long, ByVal varcharLength As Long, ByVal errorCol As String)
+    Dim checkValue As String: checkValue = Trim(ws.Cells(rowNum, colNum).Value)
+    If Len(checkValue) > varcharLength Then
+        Dim letter As String: letter = ColLetter(colNum)
+        ws.Cells(rowNum, errorCol).Value = GetErrorMsg("E007", letter & rowNum)
+        ws.Cells(rowNum, colNum).Interior.Color = RGB(255, 0, 0)
+        CheckVarcharOver = False
+        Exit Function
+    End If
+    CheckVarcharOver = True
+End Function
+
+Function Check01(ByVal ws As Worksheet, ByVal rowNum As Long, ByVal colNum As Long, ByVal errorCol As String)
+    Dim checkValue As String: checkValue = Trim(ws.Cells(rowNum, colNum).Value)
+    Dim letter As String: letter = ColLetter(colNum)
+    If checkValue <> "" Then
+        If Len(checkValue) <> 1 Then
+            ws.Cells(rowNum, errorCol).Value = GetErrorMsg("E001", letter & rowNum)
+            ws.Cells(rowNum, colNum).Interior.Color = RGB(255, 0, 0)
+            Check01 = False
+            Exit Function
+        End If
+        If checkValue <> "0" And checkValue <> "1" Then
+            ws.Cells(rowNum, errorCol).Value = GetErrorMsg("E008", letter & rowNum)
+            ws.Cells(rowNum, colNum).Interior.Color = RGB(255, 0, 0)
+            Check01 = False
+            Exit Function
+        End If
+    End If
+    Check01 = True
+End Function
+
+Function Check12(ByVal ws As Worksheet, ByVal rowNum As Long, ByVal colNum As Long, ByVal errorCol As String)
+    Dim checkValue As String: checkValue = Trim(ws.Cells(rowNum, colNum).Value)
+    Dim letter As String: letter = ColLetter(colNum)
+    If checkValue <> "" Then
+        If Len(checkValue) <> 1 Then
+            ws.Cells(rowNum, errorCol).Value = GetErrorMsg("E001", letter & rowNum)
+            ws.Cells(rowNum, colNum).Interior.Color = RGB(255, 0, 0)
+            Check12 = False
+            Exit Function
+        End If
+        If checkValue <> "1" And checkValue <> "2" Then
+            ws.Cells(rowNum, errorCol).Value = GetErrorMsg("E009", letter & rowNum)
+            ws.Cells(rowNum, colNum).Interior.Color = RGB(255, 0, 0)
+            Check12 = False
+            Exit Function
+        End If
+    End If
+    Check12 = True
+End Function
diff --git a/src/module/Common_Global_Cache.bas b/src/module/Common_Global_Cache.bas
index a7f885b..e15304c 100644
--- a/src/module/Common_Global_Cache.bas
+++ b/src/module/Common_Global_Cache.bas
@@ -401,6 +401,7 @@ End Sub
 ' higaitouList
 ' ============================================================
 Private Sub RefreshErrorList()
+    Set errorList = Nothing
     On Error GoTo RefreshError
     Set errorList = LoadLookup("Enum", keyCol:=18, valueCols:=Array(19), startRow:=3)
     On Error GoTo 0
diff --git a/src/sheet/Z1.cls b/src/sheet/Z1.cls
index 2cd6efa..0e44d15 100644
--- a/src/sheet/Z1.cls
+++ b/src/sheet/Z1.cls
@@ -18,94 +18,47 @@ Public Sub Validate(ws As Worksheet, ByVal rowNum As Long, ByVal lastDataRow As
     Dim clearRange As Range: Set clearRange = ws.Range(ws.Cells(rowNum, startCol), ws.Cells(rowNum, endCol))
     clearRange.Interior.Color = vbWhite
     
-    Dim cValue As String: cValue = Trim(ws.Cells(rowNum, 3).Value)
-    If cValue = "" Then
-        ws.Cells(rowNum, errorCol).Value = "C column is required"
-        ws.Cells(rowNum, 3).Interior.Color = RGB(255, 0, 0)
-        Exit Sub
-    End If
-    
-    If Len(cValue) <> 3 Then
-        ws.Cells(rowNum, errorCol).Value = "C column must be 3 characters"
-        ws.Cells(rowNum, 3).Interior.Color = RGB(255, 0, 0)
-        Exit Sub
-    End If
-    
-    Dim i As Long
-    Dim ch As String
-    For i = 1 To 3
-        ch = Mid(cValue, i, 1)
-        If Not ((ch >= "0" And ch <= "9") Or (ch >= "A" And ch <= "Z") Or (ch >= "a" And ch <= "z")) Then
-            ws.Cells(rowNum, errorCol).Value = "C column must be alphanumeric"
-            ws.Cells(rowNum, 3).Interior.Color = RGB(255, 0, 0)
-            Exit Sub
-        End If
-    Next i
-    
-    Dim dValue As String
-    dValue = Trim(ws.Cells(rowNum, 4).Value)
-    If dValue = "" Then
-        ws.Cells(rowNum, errorCol).Value = "D column is required"
-        ws.Cells(rowNum, 4).Interior.Color = RGB(255, 0, 0)
-        Exit Sub
-    End If
-    If Len(dValue) > 80 Then
-        ws.Cells(rowNum, errorCol).Value = "D column must be within 80 characters"
-        ws.Cells(rowNum, 4).Interior.Color = RGB(255, 0, 0)
-        Exit Sub
-    End If
-    
-    Dim eValue As String
-    eValue = Trim(ws.Cells(rowNum, 5).Value)
-    If eValue = "" Then
-        ws.Cells(rowNum, errorCol).Value = "E column is required"
-        ws.Cells(rowNum, 5).Interior.Color = RGB(255, 0, 0)
-        Exit Sub
-    End If
-    If Len(eValue) > 80 Then
-        ws.Cells(rowNum, errorCol).Value = "E column must be within 80 characters"
-        ws.Cells(rowNum, 5).Interior.Color = RGB(255, 0, 0)
-        Exit Sub
-    End If
-    
-    Dim fValue As String
-    fValue = Trim(ws.Cells(rowNum, 6).Value)
-    If fValue <> "" And Len(fValue) > 80 Then
-        ws.Cells(rowNum, errorCol).Value = "F column must be within 80 characters"
-        ws.Cells(rowNum, 6).Interior.Color = RGB(255, 0, 0)
-        Exit Sub
-    End If
-    
-    Dim gValue As String
-    gValue = Trim(ws.Cells(rowNum, 7).Value)
-    If gValue <> "" And Len(gValue) > 80 Then
-        ws.Cells(rowNum, errorCol).Value = "G column must be within 80 characters"
-        ws.Cells(rowNum, 7).Interior.Color = RGB(255, 0, 0)
-        Exit Sub
-    End If
-    
-    Dim hValue As String
-    hValue = Trim(ws.Cells(rowNum, 8).Value)
-    If hValue <> "" Then
-        If Len(hValue) <> 1 Then
-            ws.Cells(rowNum, errorCol).Value = "H column must be 1 digit"
-            ws.Cells(rowNum, 8).Interior.Color = RGB(255, 0, 0)
-            Exit Sub
-        End If
-        If hValue <> "0" And hValue <> "1" Then
-            ws.Cells(rowNum, errorCol).Value = "H column must be 0 or 1"
-            ws.Cells(rowNum, 8).Interior.Color = RGB(255, 0, 0)
-            Exit Sub
-        End If
-    End If
+    Dim checkResult As Boolean: checkResult = False
 
-    Dim iValue As String
-    iValue = Trim(ws.Cells(rowNum, 9).Value)
-    If iValue <> "" And Len(iValue) > 80 Then
-        ws.Cells(rowNum, errorCol).Value = "I column must be within 80 characters"
-        ws.Cells(rowNum, 9).Interior.Color = RGB(255, 0, 0)
-        Exit Sub
-    End If
+    ' C column check
+    checkResult = CheckRequired(ws, rowNum, 3, errorCol)
+    If checkResult = False Then Exit Sub
+
+    checkResult = CheckChar(ws, rowNum, 3, 3, errorCol)
+    If checkResult = False Then Exit Sub
+
+    checkResult = CheckAlphanumeric(ws, rowNum, 3, 3, errorCol)
+    If checkResult = False Then Exit Sub
     
+    ' D column check
+    checkResult = CheckRequired(ws, rowNum, 4, errorCol)
+    If checkResult = False Then Exit Sub
+
+    checkResult = CheckVarcharOver(ws, rowNum, 4, 80, errorCol)
+    If checkResult = False Then Exit Sub
+
+    ' E column check
+    checkResult = CheckRequired(ws, rowNum, 5, errorCol)
+    If checkResult = False Then Exit Sub
+
+    checkResult = CheckVarcharOver(ws, rowNum, 5, 80, errorCol)
+    If checkResult = False Then Exit Sub
+
+    ' F column check
+    checkResult = CheckVarcharOver(ws, rowNum, 6, 80, errorCol)
+    If checkResult = False Then Exit Sub
+
+    ' G column check
+    checkResult = CheckVarcharOver(ws, rowNum, 7, 80, errorCol)
+    If checkResult = False Then Exit Sub
+    
+    ' H column check
+    checkResult = Check01(ws, rowNum, 8, errorCol)
+    If checkResult = False Then Exit Sub
+
+    ' I column check
+    checkResult = CheckVarcharOver(ws, rowNum, 9, 80, errorCol)
+    If checkResult = False Then Exit Sub
+
     ws.Cells(rowNum, errorCol).ClearContents
 End Sub
diff --git a/src/sheet/Z2.cls b/src/sheet/Z2.cls
index 54ca388..a3ffab0 100644
--- a/src/sheet/Z2.cls
+++ b/src/sheet/Z2.cls
@@ -17,79 +17,38 @@ Public Sub Validate(ws As Worksheet, ByVal rowNum As Long, ByVal lastDataRow As
     ' clear C~I columns background color
     Dim clearRange As Range: Set clearRange = ws.Range(ws.Cells(rowNum, startCol), ws.Cells(rowNum, endCol))
     clearRange.Interior.Color = vbWhite
+
+    ' C column check
+    checkResult = CheckRequired(ws, rowNum, 3, errorCol)
+    If checkResult = False Then Exit Sub
+
+    checkResult = CheckChar(ws, rowNum, 3, 1, errorCol)
+    If checkResult = False Then Exit Sub
+
+    checkResult = CheckAlphanumeric(ws, rowNum, 3, 1, errorCol)
+    If checkResult = False Then Exit Sub
     
-    Dim cValue As String: cValue = Trim(ws.Cells(rowNum, 3).Value)
-    If cValue = "" Then
-        ws.Cells(rowNum, errorCol).Value = "C column is required"
-        ws.Cells(rowNum, 3).Interior.Color = RGB(255, 0, 0)
-        Exit Sub
-    End If
+    ' D column check
+    checkResult = CheckRequired(ws, rowNum, 4, errorCol)
+    If checkResult = False Then Exit Sub
+
+    checkResult = CheckVarcharOver(ws, rowNum, 4, 80, errorCol)
+    If checkResult = False Then Exit Sub
+
+    ' E column check
+    checkResult = CheckRequired(ws, rowNum, 5, errorCol)
+    If checkResult = False Then Exit Sub
+
+    checkResult = CheckVarcharOver(ws, rowNum, 5, 80, errorCol)
+    If checkResult = False Then Exit Sub
     
-    If Len(cValue) <> 3 Then
-        ws.Cells(rowNum, errorCol).Value = "C column must be 3 characters"
-        ws.Cells(rowNum, 3).Interior.Color = RGB(255, 0, 0)
-        Exit Sub
-    End If
+    ' F column check
+    checkResult = CheckVarcharOver(ws, rowNum, 6, 80, errorCol)
+    If checkResult = False Then Exit Sub
     
-    Dim i As Long
-    Dim ch As String
-    For i = 1 To 3
-        ch = Mid(cValue, i, 1)
-        If Not ((ch >= "0" And ch <= "9") Or (ch >= "A" And ch <= "Z") Or (ch >= "a" And ch <= "z")) Then
-            ws.Cells(rowNum, errorCol).Value = "C column must be alphanumeric"
-            ws.Cells(rowNum, 3).Interior.Color = RGB(255, 0, 0)
-            Exit Sub
-        End If
-    Next i
-    
-    Dim dValue As String
-    dValue = Trim(ws.Cells(rowNum, 4).Value)
-    If dValue = "" Then
-        ws.Cells(rowNum, errorCol).Value = "D column is required"
-        ws.Cells(rowNum, 4).Interior.Color = RGB(255, 0, 0)
-        Exit Sub
-    End If
-    If Len(dValue) > 80 Then
-        ws.Cells(rowNum, errorCol).Value = "D column must be within 80 characters"
-        ws.Cells(rowNum, 4).Interior.Color = RGB(255, 0, 0)
-        Exit Sub
-    End If
-    
-    Dim eValue As String
-    eValue = Trim(ws.Cells(rowNum, 5).Value)
-    If eValue = "" Then
-        ws.Cells(rowNum, errorCol).Value = "E column is required"
-        ws.Cells(rowNum, 5).Interior.Color = RGB(255, 0, 0)
-        Exit Sub
-    End If
-    If Len(eValue) > 80 Then
-        ws.Cells(rowNum, errorCol).Value = "E column must be within 80 characters"
-        ws.Cells(rowNum, 5).Interior.Color = RGB(255, 0, 0)
-        Exit Sub
-    End If
-    
-    Dim fValue As String
-    fValue = Trim(ws.Cells(rowNum, 6).Value)
-    If fValue <> "" And Len(fValue) > 80 Then
-        ws.Cells(rowNum, errorCol).Value = "F column must be within 80 characters"
-        ws.Cells(rowNum, 6).Interior.Color = RGB(255, 0, 0)
-        Exit Sub
-    End If
-    
-    Dim hValue As String
-    hValue = Trim(ws.Cells(rowNum, 7).Value)
-    If hValue <> "" Then
-        If Len(hValue) <> 1 Then
-            ws.Cells(rowNum, errorCol).Value = "G column must be 1 digit"
-            ws.Cells(rowNum, 7).Interior.Color = RGB(255, 0, 0)
-            Exit Sub
-        End If
-        If hValue <> "0" And hValue <> "1" Then
-            ws.Cells(rowNum, errorCol).Value = "G column must be 0 or 1"
-            ws.Cells(rowNum, 7).Interior.Color = RGB(255, 0, 0)
-            Exit Sub
-        End If
-    End If
+    ' G column check
+    checkResult = Check01(ws, rowNum, 7, errorCol)
+    If checkResult = False Then Exit Sub
     
     ws.Cells(rowNum, errorCol).ClearContents
 End Sub
diff --git a/src/sheet/Z3.cls b/src/sheet/Z3.cls
index d1abc0c..e58699f 100644
--- a/src/sheet/Z3.cls
+++ b/src/sheet/Z3.cls
@@ -17,86 +17,41 @@ Public Sub Validate(ws As Worksheet, ByVal rowNum As Long, ByVal lastDataRow As
     Dim clearRange As Range: Set clearRange = ws.Range(ws.Cells(rowNum, startCol), ws.Cells(rowNum, endCol))
     clearRange.Interior.Color = vbWhite
     
-    Dim cValue As String: cValue = Trim(ws.Cells(rowNum, 3).Value)
-    If cValue = "" Then
-        ws.Cells(rowNum, endCol).Value = "C column is required"
-        ws.Cells(rowNum, 3).Interior.Color = RGB(255, 0, 0)
-        Exit Sub
-    End If
-    
-    If Len(cValue) <> 3 Then
-        ws.Cells(rowNum, endCol).Value = "C column must be 3 characters"
-        ws.Cells(rowNum, 3).Interior.Color = RGB(255, 0, 0)
-        Exit Sub
-    End If
-    
-    Dim i As Long
-    Dim ch As String
-    For i = 1 To 3
-        ch = Mid(cValue, i, 1)
-        If Not ((ch >= "0" And ch <= "9") Or (ch >= "A" And ch <= "Z") Or (ch >= "a" And ch <= "z")) Then
-            ws.Cells(rowNum, endCol).Value = "C column must be alphanumeric"
-            ws.Cells(rowNum, 3).Interior.Color = RGB(255, 0, 0)
-            Exit Sub
-        End If
-    Next i
-    
-    Dim dValue As String
-    dValue = Trim(ws.Cells(rowNum, 4).Value)
-    If dValue = "" Then
-        ws.Cells(rowNum, endCol).Value = "D column is required"
-        ws.Cells(rowNum, 4).Interior.Color = RGB(255, 0, 0)
-        Exit Sub
-    End If
-    If Len(dValue) > 80 Then
-        ws.Cells(rowNum, endCol).Value = "D column must be within 80 characters"
-        ws.Cells(rowNum, 4).Interior.Color = RGB(255, 0, 0)
-        Exit Sub
-    End If
-    
-    Dim eValue As String
-    eValue = Trim(ws.Cells(rowNum, 5).Value)
-    If eValue = "" Then
-        ws.Cells(rowNum, endCol).Value = "E column is required"
-        ws.Cells(rowNum, 5).Interior.Color = RGB(255, 0, 0)
-        Exit Sub
-    End If
-    If Len(eValue) > 80 Then
-        ws.Cells(rowNum, endCol).Value = "E column must be within 80 characters"
-        ws.Cells(rowNum, 5).Interior.Color = RGB(255, 0, 0)
-        Exit Sub
-    End If
-    
-    Dim fValue As String
-    fValue = Trim(ws.Cells(rowNum, 6).Value)
-    If fValue <> "" And Len(fValue) > 80 Then
-        ws.Cells(rowNum, endCol).Value = "F column must be within 80 characters"
-        ws.Cells(rowNum, 6).Interior.Color = RGB(255, 0, 0)
-        Exit Sub
-    End If
-    
-    Dim hValue As String
-    hValue = Trim(ws.Cells(rowNum, 7).Value)
-    If hValue <> "" Then
-        If Len(hValue) <> 1 Then
-            ws.Cells(rowNum, endCol).Value = "G column must be 1 digit"
-            ws.Cells(rowNum, 7).Interior.Color = RGB(255, 0, 0)
-            Exit Sub
-        End If
-        If hValue <> "0" And hValue <> "1" Then
-            ws.Cells(rowNum, endCol).Value = "G column must be 0 or 1"
-            ws.Cells(rowNum, 7).Interior.Color = RGB(255, 0, 0)
-            Exit Sub
-        End If
-    End If
+    ' C column check
+    checkResult = CheckRequired(ws, rowNum, 3, errorCol)
+    If checkResult = False Then Exit Sub
 
-    Dim iValue As String
-    iValue = Trim(ws.Cells(rowNum, 8).Value)
-    If iValue <> "" And Len(iValue) > 80 Then
-        ws.Cells(rowNum, endCol).Value = "H column must be within 80 characters"
-        ws.Cells(rowNum, 8).Interior.Color = RGB(255, 0, 0)
-        Exit Sub
-    End If
+    checkResult = CheckChar(ws, rowNum, 3, 2, errorCol)
+    If checkResult = False Then Exit Sub
+
+    checkResult = CheckAlphanumeric(ws, rowNum, 3, 2, errorCol)
+    If checkResult = False Then Exit Sub
     
-    ws.Cells(rowNum, endCol).ClearContents
+    ' D column check
+    checkResult = CheckRequired(ws, rowNum, 4, errorCol)
+    If checkResult = False Then Exit Sub
+
+    checkResult = CheckVarcharOver(ws, rowNum, 4, 80, errorCol)
+    If checkResult = False Then Exit Sub
+
+    ' E column check
+    checkResult = CheckRequired(ws, rowNum, 5, errorCol)
+    If checkResult = False Then Exit Sub
+
+    checkResult = CheckVarcharOver(ws, rowNum, 5, 80, errorCol)
+    If checkResult = False Then Exit Sub
+    
+    ' F column check
+    checkResult = CheckVarcharOver(ws, rowNum, 6, 80, errorCol)
+    If checkResult = False Then Exit Sub
+    
+    ' G column check
+    checkResult = Check01(ws, rowNum, 7, errorCol)
+    If checkResult = False Then Exit Sub
+
+    ' H column check
+    checkResult = CheckVarcharOver(ws, rowNum, 8, 80, errorCol)
+    If checkResult = False Then Exit Sub
+    
+    ws.Cells(rowNum, errorCol).ClearContents
 End Sub
diff --git a/src/sheet/Z4.cls b/src/sheet/Z4.cls
index 8dd6531..16b122b 100644
--- a/src/sheet/Z4.cls
+++ b/src/sheet/Z4.cls
@@ -17,86 +17,45 @@ Public Sub Validate(ws As Worksheet, ByVal rowNum As Long, ByVal lastDataRow As
     Dim clearRange As Range: Set clearRange = ws.Range(ws.Cells(rowNum, startCol), ws.Cells(rowNum, endCol))
     clearRange.Interior.Color = vbWhite
     
-    Dim cValue As String: cValue = Trim(ws.Cells(rowNum, 3).Value)
-    If cValue = "" Then
-        ws.Cells(rowNum, errorCol).Value = "C column is required"
-        ws.Cells(rowNum, 3).Interior.Color = RGB(255, 0, 0)
-        Exit Sub
-    End If
-    
-    If Len(cValue) <> 3 Then
-        ws.Cells(rowNum, errorCol).Value = "C column must be 3 characters"
-        ws.Cells(rowNum, 3).Interior.Color = RGB(255, 0, 0)
-        Exit Sub
-    End If
-    
-    Dim i As Long
-    Dim ch As String
-    For i = 1 To 3
-        ch = Mid(cValue, i, 1)
-        If Not ((ch >= "0" And ch <= "9") Or (ch >= "A" And ch <= "Z") Or (ch >= "a" And ch <= "z")) Then
-            ws.Cells(rowNum, errorCol).Value = "C column must be alphanumeric"
-            ws.Cells(rowNum, 3).Interior.Color = RGB(255, 0, 0)
-            Exit Sub
-        End If
-    Next i
-    
-    Dim dValue As String
-    dValue = Trim(ws.Cells(rowNum, 4).Value)
-    If dValue = "" Then
-        ws.Cells(rowNum, errorCol).Value = "D column is required"
-        ws.Cells(rowNum, 4).Interior.Color = RGB(255, 0, 0)
-        Exit Sub
-    End If
-    If Len(dValue) > 80 Then
-        ws.Cells(rowNum, errorCol).Value = "D column must be within 80 characters"
-        ws.Cells(rowNum, 4).Interior.Color = RGB(255, 0, 0)
-        Exit Sub
-    End If
-    
-    Dim eValue As String
-    eValue = Trim(ws.Cells(rowNum, 5).Value)
-    If eValue = "" Then
-        ws.Cells(rowNum, errorCol).Value = "E column is required"
-        ws.Cells(rowNum, 5).Interior.Color = RGB(255, 0, 0)
-        Exit Sub
-    End If
-    If Len(eValue) > 80 Then
-        ws.Cells(rowNum, errorCol).Value = "E column must be within 80 characters"
-        ws.Cells(rowNum, 5).Interior.Color = RGB(255, 0, 0)
-        Exit Sub
-    End If
-    
-    Dim fValue As String
-    fValue = Trim(ws.Cells(rowNum, 6).Value)
-    If fValue <> "" And Len(fValue) > 80 Then
-        ws.Cells(rowNum, errorCol).Value = "F column must be within 80 characters"
-        ws.Cells(rowNum, 6).Interior.Color = RGB(255, 0, 0)
-        Exit Sub
-    End If
-    
-    Dim hValue As String
-    hValue = Trim(ws.Cells(rowNum, 7).Value)
-    If hValue <> "" Then
-        If Len(hValue) <> 1 Then
-            ws.Cells(rowNum, errorCol).Value = "G column must be 1 digit"
-            ws.Cells(rowNum, 7).Interior.Color = RGB(255, 0, 0)
-            Exit Sub
-        End If
-        If hValue <> "0" And hValue <> "1" Then
-            ws.Cells(rowNum, errorCol).Value = "G column must be 0 or 1"
-            ws.Cells(rowNum, 7).Interior.Color = RGB(255, 0, 0)
-            Exit Sub
-        End If
-    End If
+    ' C column check
+    checkResult = CheckRequired(ws, rowNum, 3, errorCol)
+    If checkResult = False Then Exit Sub
 
-    Dim iValue As String
-    iValue = Trim(ws.Cells(rowNum, 8).Value)
-    If iValue <> "" And Len(iValue) > 80 Then
-        ws.Cells(rowNum, errorCol).Value = "H column must be within 80 characters"
-        ws.Cells(rowNum, 8).Interior.Color = RGB(255, 0, 0)
-        Exit Sub
-    End If
+    checkResult = CheckChar(ws, rowNum, 3, 2, errorCol)
+    If checkResult = False Then Exit Sub
+
+    checkResult = CheckAlphanumeric(ws, rowNum, 3, 2, errorCol)
+    If checkResult = False Then Exit Sub
+    
+    ' D column check
+    checkResult = CheckRequired(ws, rowNum, 4, errorCol)
+    If checkResult = False Then Exit Sub
+
+    checkResult = CheckVarcharOver(ws, rowNum, 4, 80, errorCol)
+    If checkResult = False Then Exit Sub
+
+    ' E column check
+    checkResult = CheckRequired(ws, rowNum, 5, errorCol)
+    If checkResult = False Then Exit Sub
+
+    checkResult = CheckVarcharOver(ws, rowNum, 5, 80, errorCol)
+    If checkResult = False Then Exit Sub
+    
+    ' F column check
+    checkResult = CheckVarcharOver(ws, rowNum, 6, 80, errorCol)
+    If checkResult = False Then Exit Sub
+    
+    ' G column check
+    checkResult = Check01(ws, rowNum, 7, errorCol)
+    If checkResult = False Then Exit Sub
+
+    ' H column check
+    checkResult = CheckVarcharOver(ws, rowNum, 8, 80, errorCol)
+    If checkResult = False Then Exit Sub
+
+    ' I column check
+    checkResult = Check12(ws, rowNum, 9, errorCol)
+    If checkResult = False Then Exit Sub
     
     ws.Cells(rowNum, errorCol).ClearContents
 End Sub
diff --git a/通勤手当テンプレート_案.xlsm b/通勤手当テンプレート_案.xlsm
index af43372..0ce4a22 100644
Binary files a/通勤手当テンプレート_案.xlsm and b/通勤手当テンプレート_案.xlsm differ