This covers the first 7 rules. I'm a little uncertain of rule 8. This is going to apply to all the other rules?
Code:
Sub MoveValues()
'
' MoveValues Macro
' First Seven rules written here. Note I'm using <> and = to determine if the cell has a value/no value.
'
If Range("B6").Value <> "" And Range("B8").Value = "" And Range("B12").Value = "" Then
Range("B27").Value = Range("B6").Value
ElseIf Range("B6").Value = "" And Range("B8").Value <> "" And Range("B12").Value = "" Then
Range("B27").Value = Range("B8").Value
ElseIf Range("B6").Value = "" And Range("B8").Value = "" And Range("B12").Value <> "" Then
Range("B27").Value = Range("B12").Value
ElseIf Range("B6").Value = "" And Range("B8").Value <> "" And Range("B10").Value <> "" Then
Range("B27").Value = Range("B8").Value & "/" & Range("B10").Value
ElseIf Range("B6").Value <> "" And Range("B8").Value = "" And Range("B10").Value <> "" Then
Range("B27").Value = Range("B6").Value & "/" & Range("B10").Value
ElseIf Range("B6").Value = "" And Range("B8").Value = "" And Range("B10").Value <> "" Then
MsgBox "The number is a required field. Please make the necessary adjustments."
ElseIf Range("B6").Value <> "" And Range("B8").Value <> "" And Range("B10").Value <> "" And Range("B12").Value <> "" Then
MsgBox "You have entered too many numbers. Please make the necessary adjustments."
End If
End Sub