XL 2013 Appliquer du code VBA à l'ensemble des feuilles de mon classeur

Dim a()
Private Sub Worksheet_SelectionChange(ByVal Target As Range)
  If Not Intersect([c11:c13, c21, c40:c48, c50, d9, d15:d16, d18:d19, d23, d25, d29, d31,d32, d34,d35, d37, d40:d50, e11:e13, e21, e40:e50], Target) Is Nothing And Target.Count = 1 Then
    a = Sheets("Equipes").Range("Liste_nom").Value
    Me.ComboBox1.List = a
    Me.ComboBox1.Height = Target.Height + 3
    Me.ComboBox1.Width = Target.Width
    Me.ComboBox1.Top = Target.Top
    Me.ComboBox1.Left = Target.Left
    Me.ComboBox1 = Target
    Me.ComboBox1.Visible = False
    Me.ComboBox1.Activate
    Me.ComboBox1.DropDown
  Else
    Me.ComboBox1.Visible = False
  End If
End Sub

Private Sub ComboBox1_Change()
  If Me.ComboBox1 <> "" And IsError(Application.Match(Me.ComboBox1, a, 0)) Then
    Set d1 = CreateObject("Scripting.Dictionary")
    'tmp = "*" & UCase(Me.ComboBox1) & "*"
    tmp = UCase(Me.ComboBox1) & "*"
    For Each c In a
      If UCase(c) Like tmp Then d1(c) = ""
    Next c
    Me.ComboBox1.List = d1.keys
    Me.ComboBox1.DropDown
  End If
  ActiveCell.Value = Me.ComboBox1
End Sub

Private Sub ComboBox1_DblClick(ByVal Cancel As MSForms.ReturnBoolean)
  Me.ComboBox1.List = a
  Me.ComboBox1.Activate
  Me.ComboBox1.DropDown
End Sub

Private Sub ComboBox1_KeyDown(ByVal KeyCode As MSForms.ReturnInteger, ByVal Shift As Integer)
  If KeyCode = 13 Then ActiveCell.Offset(1).Select
End Sub