//public TaxOnLines GetTaxes()
//{
// //todo return TaxOnLines.Instances.Select(x=>x.)
// return TaxOnLines.Instances;
//} //Returns all the TaxOnLines for this OrderLine
public void RemoveTax(TaxOnLine tax)
{
TaxOnLines.RemoveByOrderLineTax(tax);
} //Removes a TaxOnLine from the OrderLine
} //Removes the DeliveryReceiver from the OrderLine
public void AddTax(TaxOnLine tax)
{
TaxOnLines.Instance.Add(tax);
}