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Insights for Modern CPA Firms
Field-tested writing on offshore strategy, tax operations, security, and scaling U.S. accounting practices.
43 articles · updated weekly
Texas Sales Tax Exemption Certificates: Essential Form 01-339 Guide
Texas Comptroller audits routinely find missing and deficient exemption certificates. A valid Form 01-339 is the seller's only defense. Here is the documentation standard offshore teams maintain for Texas clients.
New York Sales Tax Economic Nexus: The Critical $500K + 100 Test
New York sales tax economic nexus triggers only when sellers cross $500K in sales AND 100 separate transactions in the same four-quarter look-back period. One threshold without the other doesn't trigger registration.
California District Sales Tax: Essential Guide to 25+ Local Rates
California's statewide 7.25% rate is only the starting point. District taxes layered on top push combined rates past 10% in dozens of cities. Here is how offshore teams source-match transactions and verify CDTFA allocations correctly.
Florida Reemployment Tax: Essential RT-6 Guide for CPA Firms
Florida calls its state unemployment tax reemployment tax. Every other state calls it SUTA. This guide covers the RT-6 filing cadence, taxable wage base, experience-rating mechanics, and what offshore payroll teams verify on every account.
NYC Commercial Rent Tax: 2025 Form CR-A Guide for CPAs Outside New York
NYC commercial rent tax applies only to Manhattan tenants below 96th Street paying $250K+ in annual rent. Here's how the Form CR-A filing works and what CPAs outside New York need to flag at intake.
California $800 Minimum Franchise Tax: Complete Guide to 5 Misfiling Patterns
California's $800 minimum franchise tax applies whether your client earned income or not. Here's how the first-year exemption works, where it doesn't, and the 5 misfiling patterns CPA firms catch most.
Utah PTET 4.85% Rate and Single-Sales-Factor: Preparer Guide
Utah PTET is clean and flat-rated, but credit timing on owner returns trips up many preparers. Here's the TC-65 quick reference for election, single-sales-factor apportionment, and credit coordination.
Texas No Income Tax: Complete Guide to 3 Multi-State Remote Work Issues
Texas has no personal income tax, but Texas residents who work remotely from California, New York, or other states can still trigger nonresident filing obligations in those states. Here's what CPA firms should review at onboarding.
California AB 5 Worker Classification: Complete Guide to 4 Key Patterns
California AB 5 worker classification uses a strict ABC test that most contractor arrangements fail at Prong B. Here are the patterns CPA firms surface most often and the tax exposure they create.
Florida Sales Tax on Commercial Rent: 2025 Rate and Exemption Guide
Florida is the only U.S. state taxing commercial rent. The 2025 rate is 2.0% plus county surtax, CAM charges are taxable, and exemptions are narrow. Here is what CPA firms need to configure for Florida commercial lease clients.
NYC Unincorporated Business Tax: Complete 4% UBT Guide for CPA Firms
The NYC UBT is a 4% city-level tax on partnerships and sole proprietors with New York City activity. It doesn't appear on the federal or state return and is missed on out-of-state-prepared returns every season.
California Form 568: The Complete Guide to the LLC Fee Schedule for CPA Firms
California's $800 annual tax and graduated LLC fee schedule catch many out-of-state owners off guard. Here's how CPA firms prepare Form 568 accurately, including first-year exemption rules.
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