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Guides · US Tax

US Tax guides

1,454 plain-English guides on us tax, each one ending in what to do next.

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Page 32 of 61, newest first.

US Tax

Pass-Through Entity Tax (PTET): The SALT Cap Workaround for S-Corps and Partnerships

The pass-through entity tax (PTET) is a state-level election that allows S-Corps and partnerships to pay state income tax at the entity level instead of.

Sep 5, 2026
US Tax

Pass-Through Entity Tax (PTET): The SALT Cap Workaround for S-Corp and LLC Owners

How the PTET works: Without PTET (traditional approach): 1. S-Corp earns $500,000 2. Income passes through to owner on K-1 3.

Sep 5, 2026
US Tax

Passive Activity Loss Rules: Why You Cannot Offset W-2 Income with Rental Losses (and the Exceptions)

IRC 469 prevents taxpayers from using passive activity losses (rental properties, limited partnerships) to offset active income (W-2, business profits).

Sep 5, 2026
US Tax

Passive Activity Loss Rules (IRC 469): When Business Losses Can't Offset Other Income

Passive activity losses can only offset passive activity income, not wages or active business income. active income (the three income buckets): | Income.

Sep 5, 2026
US Tax

Passive Activity Rules: When Losses Can (and Can't) Offset Your Income

Passive activity losses can only offset passive activity income (IRC 469). Material participation requires 500+ hours per year.

Sep 5, 2026
US Tax

Passive Activity Loss Rules (IRC 469): When Business Losses Can and Cannot Offset Other Income

The passive activity loss rules under IRC 469 prevent taxpayers from using losses from passive activities (businesses in which they do not materially.

Sep 5, 2026
US Tax

Passive vs. Active Real Estate Investor: How Your Participation Level Changes Your Tax Bill

The IRS classifies real estate investors into three participation levels, each with different tax treatment. Three levels of real estate participation: |.

Sep 5, 2026
US Tax

Common Payroll Mistakes and IRS Penalties for Small Businesses

The most common payroll mistakes are late deposits, misclassified workers, incorrect W-2s, and failure to file Form 941.

Sep 5, 2026
US Tax

Payroll Tax Basics: Form 941, Form 940, and Employer Tax Obligations

Employers must withhold federal income tax and FICA (7.65%) from employee wages, match the FICA, file Form 941 quarterly, deposit payroll taxes on time.

Sep 5, 2026
US Tax

Payroll Tax Compliance: Federal Deposit Rules, Form 941 Filing, W-2 Requirements, and Common Penalties

Payroll tax compliance is the area where small businesses face the most severe penalties for errors. Payroll tax rates (2025): | Tax | Employee Share |.

Sep 5, 2026
US Tax

Payroll Tax Deposits: EFTPS Schedule, Trust Fund Taxes, and Common Mistakes

Employers must deposit federal payroll taxes (income tax withholding, Social Security, Medicare) through EFTPS on a monthly or semi-weekly schedule.

Sep 5, 2026
US Tax

Payroll Tax Obligations: Form 941, FUTA (940), State Withholding, and Deposit Schedules

Employers must withhold federal income tax and FICA from employee wages, deposit them on time, and report on Form 941 (quarterly).

Sep 5, 2026
US Tax

Payroll Tax Penalties: The Trust Fund Recovery Penalty and Personal Liability for Business Owners

The Trust Fund Recovery Penalty (TFRP) under IRC 6672 makes business owners personally liable for unpaid employee withholding taxes.

Sep 5, 2026
US Tax

Payroll Tax vs Income Tax: What Small Business Owners Actually Pay (And Why SE Tax Hurts)

Small business owners pay both income tax and self-employment tax (or FICA).

Sep 5, 2026
US Tax

Payroll Tax vs. Income Tax: Understanding the Two Taxes on Every Dollar You Earn

Business owners face two distinct federal taxes on earned income. payroll tax comparison: | Factor | Income Tax | Payroll Tax (FICA) |.

Sep 5, 2026
US Tax

Payroll Tax Obligations for Employers: FICA, FUTA, Withholding, and Filing Requirements

Employers are responsible for withholding federal income tax, Social Security tax (6.2%), and Medicare tax (1.45%) from employee wages.

Sep 5, 2026
US Tax

Personal Holding Company Tax: The 20% Penalty on Passive Income C-Corps (IRC 541)

C-Corporations where 50% or more of stock is owned by 5 or fewer individuals and 60% or more of income is passive face a 20% personal holding company tax.

Sep 5, 2026
US Tax

Personal Holding Company Tax (IRC 541): The 20% Penalty on C-Corps That Earn Passive Income

The personal holding company (PHC) tax under IRC 541 imposes a 20% penalty tax on undistributed personal holding company income.

Sep 5, 2026
US Tax

Personal Holding Company Tax: How IRC 541 Penalizes C-Corps with Passive Income

The personal holding company (PHC) tax under IRC 541-547 is a 20% penalty tax on undistributed personal holding company income (UPHCI) of certain closely.

Sep 5, 2026
US Tax

Year-End Prepaid Expenses: The 12-Month Rule for Accelerating Deductions

Cash-basis business owners can prepay up to 12 months of expenses before year-end and deduct the full amount in the current year.

Sep 5, 2026
US Tax

The QBI Deduction: A Complete Guide for Small Business Owners (IRC 199A)

The QBI deduction allows a 20% deduction on qualified business income from pass-through entities.

Sep 5, 2026
US Tax

QBI Deduction (IRC 199A): SSTB Rules, W-2/Property Tests, and How to Maximize the 20% Pass-Through Deduction

The qualified business income (QBI) deduction under IRC 199A allows owners of pass-through businesses (sole proprietorships, partnerships, S-Corps.

Sep 5, 2026
US Tax

Section 199A QBI Deduction: W-2 Wages, UBIA Limits, SSTB Rules, and Aggregation

The Section 199A Qualified Business Income (QBI) deduction under IRC 199A allows owners of pass-through businesses (sole proprietorships, partnerships.

Sep 5, 2026
US Tax

QBI Deduction Deep Dive: Section 199A Calculation, Limits, and SSTB Rules

The Section 199A QBI deduction reduces taxable income by up to 20% of qualified business income. QBI deduction basics: Below the income threshold: -.

Sep 5, 2026