Try this one:
With Worksheets("Admin")
Select Case Me.selCategory
Case .Range("B2")
Me.txtRestNote = .Range("F2")
Me.txtCustEmail = .Range("A26")
Case .Range("B3")
Me.txtRestNote = .Range("F3")
Me.txtCustEmail = .Range("A27")
Case .Range("B4")
Me.txtRestNote = .Range("F4")
Me.txtCustEmail = .Range("A28")
Case .Range("C2")
Me.txtRestNote = .Range("G2")
Me.txtCustEmail = .Range("A29")
Case .Range("C3")
Me.txtRestNote = .Range("G3")
Me.txtCustEmail = .Range("A30")
End Select
End With