Get | Retrieves a single `UnencumberedICMSExemptionReason` record by the key in an `UnencumberedICMSExemptionReasonParams` object. |
 GetDataInterface | GetDataInterface |
 GetDataInterfaceFromXMLFile | GetDataInterfaceFromXMLFile |
 GetDataInterfaceFromXMLString | GetDataInterfaceFromXMLString |
 GetList | Retrieves all records as an `UnencumberedICMSExemptionReasonParamsCollection`. |
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