Enable 'Expenditure Type' within i-Expenses?

 Hi,

Our client has a requirement to enable the 'expenditure organsition' and 'expenditure type' fields within i-Expenses, when assigning expense lines to project details.

Project and Task is displayed as standard, and we were able to 'personalize' Internet Expenses so that expenditure organsiation is available - but  expenditure type is simply not available to enable via personalising the Expense Allocations page within Internet Expenses.

There is no profile option or anything obvious that suggests how to do this. (Realise that expenditure type can be entered via the setup of the expense template within payables but our client wants the ability to display this field and to be able to change it within i-Expenses ).