Getting Started
Create Item Invoice
Create Expense Invoice
Edit Item Invoice
Edit Expense Invoice
    Summary of the activity
    Selecting expense invoices for modification
    Modifying expense invoice details
    Modifying taxes, charges or discount details
    Modifying payment schedule details
    Viewing invoice summary
    Viewing account posting information
Authorize Invoice
Hold / Release Invoice
Reverse Invoice
View Invoice
Setting function default
Viewing function defaults