diff --git a/src/module/Generic_Master_Common.bas b/src/module/Generic_Master_Common.bas
index 120ea54..ff3e94c 100644
--- a/src/module/Generic_Master_Common.bas
+++ b/src/module/Generic_Master_Common.bas
@@ -7,7 +7,7 @@ Sub Generic_Master_ClearRowData(ByVal ws As Worksheet, ByVal rowNum As Long)
     ws.Cells(rowNum, 2).ClearContents
 End Sub
 
-Sub Generic_Master_Import(ByVal ws As Worksheet)
+Sub Generic_Master_Import(ByVal ws As Worksheet, ByVal expectedColumnCount As Long)
     Dim filePath As String
     Dim lines As Variant
     Dim i As Long
@@ -20,7 +20,7 @@ Sub Generic_Master_Import(ByVal ws As Worksheet)
     If filePath = "" Then Exit Sub
     
     ' Step 2: Read CSV and return 2D array
-    lines = ReadCSVAs2DArrayStrict(filePath, 7, "utf-8")
+    lines = ReadCSVAs2DArrayStrict(filePath, expectedColumnCount, "utf-8")
     
     ' Step 3: Clear data rows
     Call ClearDataRows(ws, 7, 3)
@@ -29,15 +29,12 @@ Sub Generic_Master_Import(ByVal ws As Worksheet)
     writeRow = 7
     For i = LBound(lines, 1) To UBound(lines, 1)
         If Not isRowEmpty Then
-            ws.Cells(writeRow, 3).Value = CleanCSVField(CStr(lines(i, 1)))
-            ws.Cells(writeRow, 4).Value = CleanCSVField(CStr(lines(i, 2)))
-            ws.Cells(writeRow, 5).Value = CleanCSVField(CStr(lines(i, 3)))
-            ws.Cells(writeRow, 6).Value = CleanCSVField(CStr(lines(i, 4)))
-            ws.Cells(writeRow, 7).Value = CleanCSVField(CStr(lines(i, 5)))
-            ws.Cells(writeRow, 8).Value = CleanCSVField(CStr(lines(i, 6)))
-            ws.Cells(writeRow, 9).Value = CleanCSVField(CStr(lines(i, 7)))
-            
-            writeRow = writeRow + 1
+            Dim colOffset As Long
+            For colOffset = 1 To expectedColumnCount
+                ws.Cells(writeRow, 2 + colOffset).Value = CleanCSVField(CStr(lines(i, colOffset)))
+
+                writeRow = writeRow + 1
+            Next colOffset
         End If
     Next i
     
@@ -49,35 +46,13 @@ ErrorHandler:
     MsgBox "Import fails:" & vbCrLf & Err.Description, vbCritical
 End Sub
 
-Sub Generic_Master_Export(ByVal ws As Worksheet)
-    Dim lastDataRow As Long
+Sub Generic_Master_Export(ByVal ws As Worksheet, ByVal expectedColumnCount As Long, ByVal lastDataRow As Long)
     Dim savePath As String
     Dim r As Long
     Dim rowCount As Long
     Dim dataArray() As Variant
     Dim dataIdx As Long
     Dim j As Long
-    Dim errorCount As Long
-    
-    lastDataRow = GetLastDataRow(ws, 3)
-    
-    If lastDataRow < 7 Then
-        MsgBox "No data rows to output.", vbExclamation
-        Exit Sub
-    End If
-    
-    errorCount = 0
-    For r = 7 To lastDataRow
-        Call Generic_Master_validate(ws, r)
-        If Trim(ws.Cells(r, 2).Value & "") <> "" Then
-            errorCount = errorCount + 1
-        End If
-    Next r
-    
-    If errorCount > 0 Then
-        MsgBox "Validation failed. Found " & errorCount & " error(s). Please correct them before exporting.", vbCritical
-        Exit Sub
-    End If
     
     savePath = GetSaveCSVPath()
     If savePath = "" Then Exit Sub
@@ -96,15 +71,15 @@ Sub Generic_Master_Export(ByVal ws As Worksheet)
         Exit Sub
     End If
     
-    ' Initialize 2D array: (1 To rowCount, 1 To 7) for columns C-I (3 to 9)
-    ReDim dataArray(1 To rowCount, 1 To 7)
+    ' Initialize 2D array: (1 To rowCount, 1 To expectedColumnCount) for columns C-I (3 to expectedColumnCount + 2)
+    ReDim dataArray(1 To rowCount, 1 To expectedColumnCount)
     
     ' Fill the array
     dataIdx = 0
     For r = 7 To lastDataRow
         If Len(Trim(ws.Cells(r, 3).Value & "")) > 0 Then
             dataIdx = dataIdx + 1
-            For j = 3 To 9
+            For j = 3 To expectedColumnCount + 2
                 dataArray(dataIdx, j - 2) = ws.Cells(r, j).Value ' C->1, D->2, ..., I->7
             Next j
         End If
@@ -114,127 +89,4 @@ Sub Generic_Master_Export(ByVal ws As Worksheet)
     Call WriteCSVFromArray(savePath, dataArray, "utf-8", True)
     
     MsgBox "CSV export completed. Total data rows: " & rowCount, vbInformation
-End Sub
-
-Sub Generic_Master_validate(ByVal ws As Worksheet, ByVal rowNum As Long)
-    Dim cValue As String
-    cValue = Trim(ws.Cells(rowNum, 3).Value)
-
-    ' clear C~I columns background color
-    Dim clearRange As Range
-    Set clearRange = ws.Range(ws.Cells(rowNum, 3), ws.Cells(rowNum, 9))
-    clearRange.Interior.Color = vbWhite
-    
-    If cValue = "" Then
-        ws.Cells(rowNum, 2).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, 2).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, 2).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, 2).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, 2).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, 2).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, 2).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, 2).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, 2).Value = "G column must be within 80 characters"
-        ws.Cells(rowNum, 7).Interior.Color = RGB(255, 0, 0)
-        Exit Sub
-    End If
-    
-    Dim iValue As String
-    iValue = Trim(ws.Cells(rowNum, 9).Value)
-    If iValue <> "" And Len(iValue) > 80 Then
-        ws.Cells(rowNum, 2).Value = "I column must be within 80 characters"
-        ws.Cells(rowNum, 9).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, 2).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, 2).Value = "H column must be 0 or 1"
-            ws.Cells(rowNum, 8).Interior.Color = RGB(255, 0, 0)
-            Exit Sub
-        End If
-    End If
-    
-    ws.Cells(rowNum, 2).ClearContents
-End Sub
-
-Sub Generic_Master_validateButton(ByVal ws As Worksheet)
-    Dim lastRow As Long
-    Dim r As Long
-    Dim errorCount As Long
-    
-    lastRow = GetLastDataRow(ws, 3)
-    
-    If lastRow < 7 Then
-        MsgBox "No data found.", vbExclamation
-        Exit Sub
-    End If
-    
-    errorCount = 0
-    For r = 7 To lastRow
-        Call Generic_Master_validate(ws, r)
-        If Trim(ws.Cells(r, 2).Value) <> "" Then
-            errorCount = errorCount + 1
-        End If
-    Next r
-    
-    MsgBox "Validation complete. Errors: " & errorCount, vbInformation
 End Sub
\ No newline at end of file
diff --git a/src/module/Read_Common.bas b/src/module/Read_Common.bas
index 9b4d3a9..986923f 100644
--- a/src/module/Read_Common.bas
+++ b/src/module/Read_Common.bas
@@ -62,6 +62,12 @@ Function ReadCSVAs2DArrayStrict( _
         Err.Raise 5003, , "CSV file is empty."
     End If
 
+    If lines.Count = 1 Then
+        If hasHeader Then
+            Err.Raise 5005, , "CSV file data is empty."
+        End If
+    End If
+
     ' === loop the row, validate column count ===
     Dim i As Long
     For i = 1 To lines.Count
@@ -76,9 +82,16 @@ Function ReadCSVAs2DArrayStrict( _
     Next i
 
     Dim result As Variant
-    ReDim result(1 To lines.Count, 1 To expectedColumnCount)
-    
-    For i = 1 To lines.Count
+    Dim startRow As Long
+    If hasHeader Then
+        startRow = 2
+    Else
+        startRow = 1
+    End If
+
+    ReDim result(startRow To lines.Count, 1 To expectedColumnCount)
+
+    For i = startRow To lines.Count
         rowArr = lines(i)
         Dim j As Long
         For j = LBound(rowArr) To UBound(rowArr)
diff --git a/src/thisWorkbook/Master_222.bas b/src/thisWorkbook/Master_222.bas
index 098ab3a..12ff54e 100644
--- a/src/thisWorkbook/Master_222.bas
+++ b/src/thisWorkbook/Master_222.bas
@@ -4,19 +4,157 @@ Sub Z1_ClearRowData(ByVal ws As Worksheet, ByVal rowNum As Long)
 End Sub
 
 Sub Z1_Import()
-    Call Generic_Master_Import(Me)
+    Call Generic_Master_Import(Me, 7)
 End Sub
 
 Sub Z1_Export()
-    Call Generic_Master_Export(Me)
+    Dim lastDataRow As Long: lastDataRow = GetLastDataRow(Me, 3)
+    
+    If lastDataRow < 7 Then
+        MsgBox "No data rows to output.", vbExclamation
+        Exit Sub
+    End If
+    
+    Dim r As Long
+    Dim errorCount As Long
+    For r = 7 To lastDataRow
+        Validate r
+        If Trim(Cells(r, 2).Value & "") <> "" Then
+            errorCount = errorCount + 1
+        End If
+    Next r
+    
+    If errorCount > 0 Then
+        MsgBox "Validation failed. Found " & errorCount & " error(s). Please correct them before exporting.", vbCritical
+        Exit Sub
+    End If
+
+    Call Generic_Master_Export(Me, 7, lastDataRow)
 End Sub
 
-Sub Z1_validate(ByVal ws As Worksheet, ByVal rowNum As Long)
-    Call Generic_Master_validate(ws, rowNum)
+Sub Validate(ByVal rowNum As Long)
+    Dim cValue As String
+    Set ws = Me
+
+    cValue = Trim(ws.Cells(rowNum, 3).Value)
+
+    ' clear C~I columns background color
+    Dim clearRange As Range
+    Set clearRange = ws.Range(ws.Cells(rowNum, 3), ws.Cells(rowNum, 9))
+    clearRange.Interior.Color = vbWhite
+    
+    If cValue = "" Then
+        ws.Cells(rowNum, 2).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, 2).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, 2).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, 2).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, 2).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, 2).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, 2).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, 2).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, 2).Value = "G column must be within 80 characters"
+        ws.Cells(rowNum, 7).Interior.Color = RGB(255, 0, 0)
+        Exit Sub
+    End If
+    
+    Dim iValue As String
+    iValue = Trim(ws.Cells(rowNum, 9).Value)
+    If iValue <> "" And Len(iValue) > 80 Then
+        ws.Cells(rowNum, 2).Value = "I column must be within 80 characters"
+        ws.Cells(rowNum, 9).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, 2).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, 2).Value = "H column must be 0 or 1"
+            ws.Cells(rowNum, 8).Interior.Color = RGB(255, 0, 0)
+            Exit Sub
+        End If
+    End If
+    
+    ws.Cells(rowNum, 2).ClearContents
 End Sub
 
 Sub Z1_validateButton()
-    Call Generic_Master_validateButton(Me)
+    Dim lastRow As Long
+    Dim r As Long
+    Dim errorCount As Long
+    
+    lastRow = GetLastDataRow(Me, 3)
+    
+    If lastRow < 7 Then
+        MsgBox "No data found.", vbExclamation
+        Exit Sub
+    End If
+    
+    errorCount = 0
+    For r = 7 To lastRow
+        Validate r
+        If Trim(Cells(r, 2).Value) <> "" Then
+            errorCount = errorCount + 1
+        End If
+    Next r
+    
+    MsgBox "Validation complete. Errors: " & errorCount, vbInformation
 End Sub
 
 Sub Z1_SortDataRowsByC()
diff --git a/src/thisWorkbook/Master_223.bas b/src/thisWorkbook/Master_223.bas
index 857711a..26de75b 100644
--- a/src/thisWorkbook/Master_223.bas
+++ b/src/thisWorkbook/Master_223.bas
@@ -8,15 +8,153 @@ Sub Z2_Import()
 End Sub
 
 Sub Z2_Export()
-    Call Generic_Master_Export(Me)
+    Dim lastDataRow As Long: lastDataRow = GetLastDataRow(Me, 3)
+    
+    If lastDataRow < 7 Then
+        MsgBox "No data rows to output.", vbExclamation
+        Exit Sub
+    End If
+    
+    Dim r As Long
+    Dim errorCount As Long
+    For r = 7 To lastDataRow
+        Validate r
+        If Trim(Cells(r, 2).Value & "") <> "" Then
+            errorCount = errorCount + 1
+        End If
+    Next r
+    
+    If errorCount > 0 Then
+        MsgBox "Validation failed. Found " & errorCount & " error(s). Please correct them before exporting.", vbCritical
+        Exit Sub
+    End If
+
+    Call Generic_Master_Export(Me, 7, lastDataRow)
 End Sub
 
-Sub Z2_validate(ByVal ws As Worksheet, ByVal rowNum As Long)
-    Call Generic_Master_validate(ws, rowNum)
+Sub Validate(ByVal rowNum As Long)
+    Dim cValue As String
+    Set ws = Me
+
+    cValue = Trim(ws.Cells(rowNum, 3).Value)
+
+    ' clear C~I columns background color
+    Dim clearRange As Range
+    Set clearRange = ws.Range(ws.Cells(rowNum, 3), ws.Cells(rowNum, 9))
+    clearRange.Interior.Color = vbWhite
+    
+    If cValue = "" Then
+        ws.Cells(rowNum, 2).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, 2).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, 2).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, 2).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, 2).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, 2).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, 2).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, 2).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, 2).Value = "G column must be within 80 characters"
+        ws.Cells(rowNum, 7).Interior.Color = RGB(255, 0, 0)
+        Exit Sub
+    End If
+    
+    Dim iValue As String
+    iValue = Trim(ws.Cells(rowNum, 9).Value)
+    If iValue <> "" And Len(iValue) > 80 Then
+        ws.Cells(rowNum, 2).Value = "I column must be within 80 characters"
+        ws.Cells(rowNum, 9).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, 2).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, 2).Value = "H column must be 0 or 1"
+            ws.Cells(rowNum, 8).Interior.Color = RGB(255, 0, 0)
+            Exit Sub
+        End If
+    End If
+    
+    ws.Cells(rowNum, 2).ClearContents
 End Sub
 
 Sub Z2_validateButton()
-    Call Generic_Master_validateButton(Me)
+    Dim lastRow As Long
+    Dim r As Long
+    Dim errorCount As Long
+    
+    lastRow = GetLastDataRow(Me, 3)
+    
+    If lastRow < 7 Then
+        MsgBox "No data found.", vbExclamation
+        Exit Sub
+    End If
+    
+    errorCount = 0
+    For r = 7 To lastRow
+        Validate r
+        If Trim(Cells(r, 2).Value) <> "" Then
+            errorCount = errorCount + 1
+        End If
+    Next r
+    
+    MsgBox "Validation complete. Errors: " & errorCount, vbInformation
 End Sub
 
 Sub Z2_SortDataRowsByC()
diff --git a/src/thisWorkbook/Master_224.bas b/src/thisWorkbook/Master_224.bas
index ee18efc..43f5d97 100644
--- a/src/thisWorkbook/Master_224.bas
+++ b/src/thisWorkbook/Master_224.bas
@@ -8,15 +8,153 @@ Sub Z3_Import()
 End Sub
 
 Sub Z3_Export()
-    Call Generic_Master_Export(Me)
+    Dim lastDataRow As Long: lastDataRow = GetLastDataRow(Me, 3)
+    
+    If lastDataRow < 7 Then
+        MsgBox "No data rows to output.", vbExclamation
+        Exit Sub
+    End If
+    
+    Dim r As Long
+    Dim errorCount As Long
+    For r = 7 To lastDataRow
+        Validate r
+        If Trim(Cells(r, 2).Value & "") <> "" Then
+            errorCount = errorCount + 1
+        End If
+    Next r
+    
+    If errorCount > 0 Then
+        MsgBox "Validation failed. Found " & errorCount & " error(s). Please correct them before exporting.", vbCritical
+        Exit Sub
+    End If
+
+    Call Generic_Master_Export(Me, 7, lastDataRow)
 End Sub
 
-Sub Z3_validate(ByVal ws As Worksheet, ByVal rowNum As Long)
-    Call Generic_Master_validate(ws, rowNum)
+Sub Validate(ByVal rowNum As Long)
+    Dim cValue As String
+    Set ws = Me
+
+    cValue = Trim(ws.Cells(rowNum, 3).Value)
+
+    ' clear C~I columns background color
+    Dim clearRange As Range
+    Set clearRange = ws.Range(ws.Cells(rowNum, 3), ws.Cells(rowNum, 9))
+    clearRange.Interior.Color = vbWhite
+    
+    If cValue = "" Then
+        ws.Cells(rowNum, 2).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, 2).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, 2).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, 2).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, 2).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, 2).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, 2).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, 2).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, 2).Value = "G column must be within 80 characters"
+        ws.Cells(rowNum, 7).Interior.Color = RGB(255, 0, 0)
+        Exit Sub
+    End If
+    
+    Dim iValue As String
+    iValue = Trim(ws.Cells(rowNum, 9).Value)
+    If iValue <> "" And Len(iValue) > 80 Then
+        ws.Cells(rowNum, 2).Value = "I column must be within 80 characters"
+        ws.Cells(rowNum, 9).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, 2).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, 2).Value = "H column must be 0 or 1"
+            ws.Cells(rowNum, 8).Interior.Color = RGB(255, 0, 0)
+            Exit Sub
+        End If
+    End If
+    
+    ws.Cells(rowNum, 2).ClearContents
 End Sub
 
 Sub Z3_validateButton()
-    Call Generic_Master_validateButton(Me)
+    Dim lastRow As Long
+    Dim r As Long
+    Dim errorCount As Long
+    
+    lastRow = GetLastDataRow(Me, 3)
+    
+    If lastRow < 7 Then
+        MsgBox "No data found.", vbExclamation
+        Exit Sub
+    End If
+    
+    errorCount = 0
+    For r = 7 To lastRow
+        Validate r
+        If Trim(Cells(r, 2).Value) <> "" Then
+            errorCount = errorCount + 1
+        End If
+    Next r
+    
+    MsgBox "Validation complete. Errors: " & errorCount, vbInformation
 End Sub
 
 Sub Z3_SortDataRowsByC()
diff --git a/src/thisWorkbook/Master_507.bas b/src/thisWorkbook/Master_507.bas
new file mode 100644
index 0000000..1174a67
--- /dev/null
+++ b/src/thisWorkbook/Master_507.bas
@@ -0,0 +1,51 @@
+Sub O2_Import()
+    Dim filePath As String
+    Dim lines As Variant
+    Dim i As Long
+    Dim writeRow As Long
+
+    Set ws = Me
+    
+    On Error GoTo ErrorHandler
+    
+    ' Step 1: Select CSV file
+    filePath = SelectCSVFile()
+    If filePath = "" Then Exit Sub
+    
+    ' Step 2: Read CSV and return 2D array
+    lines = ReadCSVAs2DArrayStrict(filePath, 4, "shift-jis", True)
+    
+    ' Step 3: Clear data rows
+    Call ClearDataRows(ws, 7, 3)
+    
+    ' Step 4: Import data
+    writeRow = 7
+    For i = LBound(lines, 1) To UBound(lines, 1)
+        If Not isRowEmpty Then
+            Dim colOffset As Long
+            For colOffset = 1 To 4
+                ws.Cells(writeRow, 2 + colOffset).Value = CleanCSVField(CStr(lines(i, colOffset)))
+            Next colOffset
+            writeRow = writeRow + 1
+        End If
+    Next i
+    
+    MsgBox writeRow - 7 & " rows imported.", vbInformation
+    
+    Exit Sub
+
+ErrorHandler:
+    MsgBox "Import fails:" & vbCrLf & Err.Description, vbCritical
+End Sub
+
+Sub O2_SortDataRowsByC()
+    Call SortDataRows(3)
+End Sub
+
+Sub O2_ToggleAutoFilter()
+    Call ToggleAutoFilter(6)
+End Sub
+
+Sub O2_AutoFitColumnWidth()
+    Call AutoFitColumnWidth(3, 5)
+End Sub
diff --git a/src/thisWorkbook/Master_address.bas b/src/thisWorkbook/Master_address.bas
new file mode 100644
index 0000000..4569a9e
--- /dev/null
+++ b/src/thisWorkbook/Master_address.bas
@@ -0,0 +1,51 @@
+Sub O1_Import()
+    Dim filePath As String
+    Dim lines As Variant
+    Dim i As Long
+    Dim writeRow As Long
+
+    Set ws = Me
+    
+    On Error GoTo ErrorHandler
+    
+    ' Step 1: Select CSV file
+    filePath = SelectCSVFile()
+    If filePath = "" Then Exit Sub
+    
+    ' Step 2: Read CSV and return 2D array
+    lines = ReadCSVAs2DArrayStrict(filePath, 4, "shift-jis", True)
+    
+    ' Step 3: Clear data rows
+    Call ClearDataRows(ws, 7, 3)
+    
+    ' Step 4: Import data
+    writeRow = 7
+    For i = LBound(lines, 1) To UBound(lines, 1)
+        If Not isRowEmpty Then
+            Dim colOffset As Long
+            For colOffset = 1 To 4
+                ws.Cells(writeRow, 2 + colOffset).Value = CleanCSVField(CStr(lines(i, colOffset)))
+            Next colOffset
+            writeRow = writeRow + 1
+        End If
+    Next i
+    
+    MsgBox writeRow - 7 & " rows imported.", vbInformation
+    
+    Exit Sub
+
+ErrorHandler:
+    MsgBox "Import fails:" & vbCrLf & Err.Description, vbCritical
+End Sub
+
+Sub O1_SortDataRowsByC()
+    Call SortDataRows(3)
+End Sub
+
+Sub O1_ToggleAutoFilter()
+    Call ToggleAutoFilter(6)
+End Sub
+
+Sub O1_AutoFitColumnWidth()
+    Call AutoFitColumnWidth(3, 5)
+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 a6d4ceb..014a4df 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