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Featured guide Form 1120-S, Explained A seven-chapter guide to how an S corporation return works, from page 1 and Schedule B through K-1s, AAA, shareholder basis, penalties and amendments. 7 chapters · Updated Apr 2026 Open guide

35 in the library

C Corporations: The Extended California Form 100 Is Due Mid-November 2026

Business owners · California deadlines · 3 min read

Protecting Your Business's Tax and Payroll Records: Six Steps From the IRS

Business owners · Recordkeeping · 3 min read

Third-Quarter Form 941 Is Due November 2, 2026. What to Finish First

Business owners · Payroll · 4 min read

California's SB 1435: What Changed for 2025, and What Still Doesn't Conform

California · Federal conformity · 4 min read

Employer Contributions to Trump Accounts, and the New DCAP Testing Rules

Business owners · Employee benefits · 5 min read

Extended Your 2025 Return? What to Finish Before October 15, 2026

Individuals · Filing deadlines · 4 min read

Commentary

Use It, Don’t Worship It: AI in Accounting

Practice · 6 min read

Commentary

The AI Stock Windfall Has a Second Act, and It's Written by the FTB

Investing · California tax · 7 min read

Three Tax Moves Owner-Operators Should Make Before the End of 2026

Business planning · 3 min read

Guide

When Your Crew Crosses the State Line, So Does the Tax Bill

Construction · Multi-state · 6 sections · 7 min read

Commentary

The Other Half of the 2026 Filing Season

Tax administration · 5 min read

Guide

Materials, Fixtures, and the $500,000 Line

Construction · 8 sections · 10 min read

Commentary

The IRS Is Rebuilding Its Enforcement Engine

Tax administration · 6 min read

Guide

Cryptocurrency and Taxes

Digital assets · 6 sections · 6 min read

Guide

LLC vs. S-Corp vs. C-Corp in California

Choosing an entity · 5 sections · 6 min read

What the One Big Beautiful Bill Act Means for Small Business Owners in 2026

Business tax · 3 min read

Guide

Form 1120-S, Explained

7 chapters · Updated Apr 2026 · 14 min read

Itemized Deductions in 2026: What Individuals Need To Know Before They File

Individual tax · 2 min read

How Small Business Owners Can Maximize Tax Deductions This Filing Season

Business tax · 3 min read

Common Tax Filing Mistakes That Can Delay Refunds and Trigger IRS Notices

Individual tax · 4 min read

Vehicle Depreciation: Basis, Limits, and Recapture

Business tax · 3 min read

Audit-Ready Financial Records

Records · 4 min read

Year-End Tax Moves Individuals Should Make Before Filing Season Begins

Individual tax · 2 min read

Tax Recordkeeping Best Practices

Records · 2 min read

Entity Choice, Deductions, and Credits

Business tax · 2 min read

Four Tax Topics Taxpayers Often Miss

Individual tax · 1 min read

New for 2026: The Individual Tax Changes Worth Planning Around

Individual tax · 3 min read

SALT, Mortgage Interest, and Casualty Losses

Individual tax · 1 min read

The Monthly Financial Checklist: 5 Reports Every Business Owner Must Review

Reporting · 3 min read

Stock Sales, Basis, and Capital Gains

Investing · 1 min read

Estimated Tax, Withholding, and Cash Flow

Individual tax · 2 min read

Guide

What Every Real Estate Owner Should Know About Cost Segregation

Real estate tax · 18 sections · 11 min read

Cash Flow vs. Net Income

Reporting · 4 min read

The Home Office Deduction

Business tax · 2 min read

Schedule C Basics for Sole Proprietors

Business tax · 1 min read

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