California Form 3534: Tax Information Authorization Explained
Learn what California FTB Form 3534 does, who should file it, and how to fill out this Tax Information Authorization to let someone access your state tax records.
Form IT-203-GR-ATT-A Schedule A (2025): New York Group Return for Nonresident Partners
Learn who must file Form IT-203-GR-ATT-A Schedule A for the 2025 New York State group return, what information it requires, and how to complete it correctly.
FTB Form 3516: How to Request a Copy of Your California Personal Income or Fiduciary Tax Return
Learn how to use FTB Form 3516 to request a copy of a past California personal income or fiduciary tax return, who can file it, processing time, and fees.
FTB Form 3535: How to Revoke a Tax Information Authorization with California FTB
Learn what FTB Form 3535 does, who needs to file it, and how to revoke a Tax Information Authorization with the California Franchise Tax Board.
Form IT-203-S-ATT (2025): Attachment for New York Group Nonresident Returns
Learn what Form IT-203-S-ATT is, who needs to file it, and how to complete this New York State attachment for group nonresident tax returns in 2025.
FTB Form 3518: One-Time Authorization for Release of Confidential Information
Learn what California FTB Form 3518 is used for, who should file it, and how to authorize someone to receive your confidential tax information one time.
Form IT-203-C: Nonresident or Part-Year Resident Spouse’s Certification (2024)
Learn what Form IT-203-C is, who needs to file it, and how it affects joint New York returns when one spouse has no New York income.
California Form 3500 (2025): Exemption Application Explained
Learn who needs California FTB Form 3500, when to file it, and how to complete the Exemption Application to qualify for state tax-exempt status.
Form IT-203-A: Nonresident Business Allocation Schedule Explained
Form IT-203-A helps nonresident business owners allocate New York income correctly. Learn who must file it, when it’s required, and how to complete it.
California Form 3500A: Submission of Exemption Request Explained
Learn what California Form 3500A is, which nonprofits need it, when to file it with the Franchise Tax Board, and how to fill out this state tax-exemption submission.