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GLB Safeguards Rule

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IRS Written Information Security Plan (WISP): What CPA Firms in California Must Do
May 4, 2026

IRS Written Information Security Plan (WISP): What CPA Firms in California Must Do

IRS Publication 4557 requires every tax preparer to maintain a WISP. What California CPA firms must document, enforce, and review annually.

WISP IRS compliance CPA cybersecurity