Answer:

SALESSLIP

Answer	Crossword Clue
SALESSLIP	Exchange requirement
SALESSLIP	Register printout
SALESSLIP	Receipt

SALESSLIP	Proof-of-purchase
SALESSLIP	Store receipt
SALESSLIP	Refund requirement
SALESSLIP	Bill on a Parcel Service delivery.
SALESSLIP	It usually comes with a new shirt
SALESSLIP	Buying evidence
SALESSLIP	Return requirement
SALESSLIP	Proof of purchase

SALESSLIP	Business attire at Sotheby's?