ra_number:	A unique return authorization number assigned by the ReturnCenter.
lease_number:	The lease number or contract number provided by the lessor
termination_date:	The date when the lease will be terminated.
ra_date:	The date when the Return Authorization was issued.
sent_date:	The date when the Return Authorization was sent.
due_date:	The date by which the Return Authorization must be processed by the lessee or dealer.
type:	Type of return.
Valid types are:
KEEP: Full trade-up
KEEP: Partial trade-up
TRADE-UP: Full with return
TRADE-UP: Partial with return
EOL BUYOUT: Full with return
EOL BUYOUT: Partial with return
BUYOUT: Full with return
BUYOUT: Partial with return
sent_to:	To whom the RA was sent -- either "dealer" or "lessee"
comments:	Comments about the return
status:	Status of the return
url:	The URL for accessing the return in the ReturnCenter.
account:	An organization object for the account holder. The account holder is the person who processes and pays for the return.
pickup_location:	An organization object for the location where the assets are located and will be picked up for shipment.
destination:	An organization object for the destination to which the assets will be shipped.
lessor:	An organization object for the lessor.
lessee:	An organization object for the lessee.
dealer:	An organization object for the dealer or vendor associated with the assets on this return.
expected_assets:	One or more asset objects for the assets that are expected to be shipped with this return.
received_assets:	One or more asset objects that were received at the destination for this return.