Based on your screenshot above, it seems you’re using QuickBooks Online Full Service Payroll (QBFSP). The sales tax fee is based on the primary address registered on your account. The Employee Surcharge is the billing price for your employee while the Multistate Support Surcharge is a charge depending on the
Resolution for 'CA Sales Tax issue: 'Why payroll processing for AZ employee charged CA Sales Tax?' available: Yes.
The CA Sales Tax issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the CA Sales Tax issue yourself by looking for a resolution described in the article. If it is a complex CA Sales Tax issue or you are unable to solve the issue, you may contact us by clicking here or by using other CA Sales Tax support options.
For more information about resolving issues related to CA Sales Tax in Quickbooks/QBO or to get support for the issue 'Why payroll processing for AZ employee charged CA Sales Tax?', click the link below: