The addEmployeeMiscellaneousStateTax API is used to collect state-specific tax withholding information for employees in states that require profession/job specific taxes
This step is only required for employees subjest to state taxes not covered in the standard W4 import. Skip this step if the employee is not subject to miscellaneous taxes.
Basic authentication header of the form Basic <encoded-value>, where <encoded-value> is the base64-encoded string username:password.
The response is of type object.