 Â Add | Adds a tax summary method. |
| Â Get | Retrieves a tax summary method. The method is specified by its key, which is contained in the `TaxSummaryMethodParams` object passed to the method. |
| Â GetDataInterface | Creates an empty data structure for use with the `TaxSummaryMethodsService`. |
| Â GetDataInterfaceFromXMLFile | Creates an object from an XML file. |
| Â GetDataInterfaceFromXMLString | Creates an object from XML. |
| Â GetList | Returns the `TaxSummaryMethodParamsCollection` data collection that identifies all tax summary methods. |
| Â Update | Updates an existing tax summary method. |