Expenses (*) = required fields.
  Expenses Ref.*   Expenses Type* Tax* NI* Action 
  E1    Airfare Non-Taxable Non-NI Edit
  E2    Airfare Taxable NI Edit
  E3    Car Rental Non-Taxable Non-NI Edit
  E4    Car Rental Taxable NI Edit
  E5    Entertainment Non-Taxable Non-NI Edit
  E6    Entertainment Taxable NI Edit
  E7    Telephone Non-Taxable Non-NI Edit
  E8    Telephone Taxable NI Edit
  E9    Meals Non-Taxable Non-NI Edit
  E10    Meals Taxable NI Edit