The ListReturnReasonCodes operation returns a list of valid return reasons
codes for a seller SKU in a given marketplace. Valid reason codes are required
in subsequent calls to the CreateFulfillmentReturn
operation. See Creating a fulfillment return.
This operation is only available in the US, Germany, France, Italy, UK, Japan, and
The ListReturnReasonCodes operation has a maximum
request quota of 30 and a restore rate of two requests every
second. For definitions of throttling terminology and for a complete
explanation of throttling, see Throttling: Limits to how often you can submit requests in the Amazon MWS Developer Guide.