Billing Unit
Billing Unit: the things a rental is billed by, with their category and tax group.
Rental Quotation
Rental Quotation: offer a customer items or services for hire over a period, priced from the customer's pricing group.
Rental Order
Rental Order: the confirmed hire, with its lines copied from a rental quotation or typed.
Lists and reports
The rental lists and printed forms, with their criteria.