Defective on arrival

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Defective On Arrival is an alternate interpretation of "D.O.A", which stands for "Dead On Arrival", a term used in medical context and with the alternative colloquial/trade meaning of "At the moment of receiving the item, it was damaged or defective to the point of not being usable".

It is frequently used for expliciting a kind of warranty when a customer buys an item that can't be checked before pay (for example, EBay buying), and at the moment of make an RMA (Return Merchandise Authorization).