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  1. Home
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  3. California

California regulations

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  • California Department of Tax and Fee Administration - Title 18, CCR Sections 35039, 35053 - Filing a Claim for Refund, Review of a Request for Relief
    May 29, 2026

    California Department of Tax and Fee Administration updates contact information in refund claim and relief request procedures following agency reorganization, effective May 20, 2026.

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Professional licensing is the single most-regulated area at the state level

Across the states, the biggest share of activity is deciding who is allowed to work: licenses, boards, and certifications. That is the layer that quietly governs whether your doors can stay open.

State rulemaking

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