POR if printed on a receipt usually stands for: Point (place) Of Return, or Point Of Retail. It is used to determine what /if taxes were charged. It is also sometimes used in loss prevention issues to track stolen merchandise.
Profit on return. So, POR 45% means you'll make 45% profit after selling our products at the SRP (Suggested Retail Price).
price upon request
what does OOS stand for in retail?
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Though it can stand for different things, PLU typically stands for "price look up" in the retail sense.
Out of Stock
OUT OF STOCk
out of code
Out Of Stock
price to retaler
Sales per transaction
Planogram position