Lacerte DiagnosticsModerator5 years agoNovember 20, 2020153230 replies11 viewsThe following diagnostic is generating: To receive credit for backup withholding shown on form 592-B, you must provide the FTB with your TIN before filing your tax return. Failure to provide your TIN will result in a denial of your backup withholding credit. Solution: Help Article CAIndividual