You may change the currency in a project. Before continuing please do the following:
Maintenance Folder
Client Setup Module
Localization Tab
Uncheck: Always Use This Currency?
Save
Go to Currency Tab
All Currencies Checked will be an available lookup table option
Next Go to:
Project Information Folder
Project Module
Select Project
Edit
General Tab
Select Currency of choice
Autodesk values their customers and will make a concerted effort to handle your data request in a timely fashion. The time for resolution can vary dependent on the technical nature of the request and software coding required.