This method will delete a new rate group from the system for the business.
|business_code||Integer||This is the business we are deleting the rate group from.|
|mod_time||Timestamp||This is the modification time of your data so we can verify it hasn't changed since it was downloaded.|
|rate_group_id||Integer||This is the rate group id of the rate group we want to delete.|
|format||enumeration||(optional) Set this value to "xml" for XML raw formatted output, "xml-clean" for XML tidy formatted output or "json" for JSON formatted output. If not passed, "xml" is used as a default|