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What's the nexus rule in California?
Economic nexus is established once a taxpayer exceeds $500,000 in California-sourced sales in a calendar year, regardless of physical presence.1
1.Cal. Rev. & Tax Code §23101(b)(2) — verified against current SALT guidance
§ PLATFORM OVERVIEW
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Experience how our AI-driven infrastructure automates complex tax workflow analysis with absolute precision and citation.
§ Verified Outcomes
Cut research and preparation hours with AI-driven automation.
One reliable layer for authoritative answers, automated intake and extraction, and streamlined prep to help your firm cut busy-season grind and redirect time to advisory.
§ THE PLATFORM
Cut research and preparation hours with AI-driven automation.
Instant, reliable answers to your tax questions.

§ Use Cases
Focus on high-value client outcomes.
Always Current on Tax Rules
Delivers the latest updates across SALT and Federal taxes directly in your workflow.
Turn Raw Data into Insight
Uses AI to locate, organize, and surface client insights hidden in client documents.
Surface Savings & Risks
Analyze your client data to unlock opportunities and spot risks proactively.
§ Customer Stories
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“Research used to be a black hole. Now, I just type the question and get a citable IRS answer in seconds.”
“80% faster first drafts. What used to take us two days is now done in two hours.”
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End-to-end Encryption
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Monitoring Systems
24/7 intrusion detection. Continuous quarterly security vulnerability scans & annual pen tests.
Access Control
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Regulation Compliant
TLS 256-bit encryption in transit & at rest. Full compliance with IRS Pub 1345 guidelines.