Tax Professional Blog

Guides, IRS Updates &
Planning Strategies

Written for CPAs, Enrolled Agents, and tax preparers — reviewed for accuracy against current IRS guidance.

The 1099-K Threshold for 2025 & 2026: The $20,000 Rule Is Back
OBBBA restored the Form 1099-K reporting threshold to $20,000 and 200 transactions for 2025 and beyond, reversing the $600 rule. The year-by-year history, the caveats (payment cards, state rules, personal payments), the 1099-NEC jump to $2,000 — and why your income is still taxable.
The One Big Beautiful Bill Act: Every 2025 Tax Change
The complete guide to OBBBA — the four new deductions (tips, overtime, seniors, car-loan interest), the bigger Child Tax Credit and $40,000 SALT cap, the 1099 threshold changes, Trump Accounts, and the TCJA provisions made permanent — with calculators for each.
Common IRS E-File Reject Codes — and How to Fix Each One
Your e-file bounced? A plain-English reference to the most common IRS rejection codes — IND-031-04 (prior-year AGI), R0000-507-01 (dependent already claimed), F8962-070 (missing Form 8962), IP-PIN and name/SSN mismatches — with the exact fix for each and how to refile.
Is Social Security Taxable in 2026? (And No, OBBBA Didn’t Make It Tax-Free)
Up to 85% of benefits can be taxable in 2026, based on your combined income. The thresholds by filing status, how much is actually taxed, what OBBBA’s $6,000 senior deduction really does, and the “no tax on Social Security” myth — with the calculators to check.
2026 Capital Gains Tax: Rates, Brackets & How It Works
The 2026 long-term capital gains brackets (0/15/20%) by filing status, short- vs long-term treatment, the 3.8% Net Investment Income Tax, the 28%/25% special rates, the home-sale exclusion, and the planning levers — with the calculator to run a sale.
The 2026 Earned Income Tax Credit (EITC): Amounts, Income Limits & Who Qualifies
Up to $8,231 for 2026, fully refundable. The credit amounts and income limits by filing status and number of children, the $12,200 investment-income cap, the childless-worker rules, and how the EITC's qualifying-child tests differ from the CTC's.
The 2026 Child Tax Credit: Amount, Income Limits & Who Qualifies
$2,200 per qualifying child for 2026, up to $1,700 refundable. The income phase-outs ($200K / $400K), the new OBBBA SSN rules, the eight qualifying-child tests, and the $500 Credit for Other Dependents — with the calculator to run it.
2026 Federal Tax Brackets, Standard Deduction & Key IRS Numbers
Every key 2026 federal number in one place — income tax brackets, standard deduction, long-term capital gains, AMT, Child Tax Credit, EITC, and QBI thresholds from IRS Rev. Proc. 2025-32, with the calculators to run them.
The OBBBA $6,000 Senior Deduction: Who Qualifies, the Phase-Out, and the Common Misreads
The new senior deduction is worth up to $6,000 per person 65+ for 2025–2028 — but it's temporary, phases out fast above $75k/$150k MAGI, and is widely confused with "no tax on Social Security." Here's the clean version for preparers.
S-Corp Reasonable Compensation: How to Set a Salary That Survives an Audit
An unreasonably low salary is the IRS's most common S-corp audit trigger. Here's how to set a defensible figure — the factors the IRS weighs, the wage-data methods that hold up, and what reclassification actually costs across open years.
Reading an IRS Notice: What CP14, CP2000, CP3219A, and Letter 226-J Actually Mean (2026)
The IRS sends roughly 200 million notices a year. Most are routine; a few signal something serious. This guide walks through the most common notices, what each one means, the response window it opens, and where it sits in the collections sequence.
OBBBA & §199A: Permanent QBI, Expanded Phase-Ins, and the New $400 Minimum (2026)
The One Big Beautiful Bill Act made §199A permanent and widened the phase-in ranges starting 2026. Here's what changed, the new $400 minimum deduction for active small business owners, and the planning conversations to be having with pass-through clients now.
2025 Bonus Depreciation Phase-Down: What CPAs Need to Know Now
Bonus depreciation dropped to 40% in 2025, down from 60% last year. Here's exactly how that changes asset planning conversations with business clients — and when Section 179 becomes the smarter choice.
IRS First-Time Penalty Abatement: A Step-by-Step Guide for Tax Professionals
First-time penalty abatement is one of the most underused IRS relief options available. If a client has a clean 3-year compliance history, you may be able to eliminate failure-to-file or failure-to-pay penalties with a single phone call.
QBI Deduction Phase-Out: Calculating the SSTB Limitation for 2025
The Section 199A phase-out for specified service trades or businesses (SSTBs) catches a lot of clients — lawyers, doctors, consultants, accountants — by surprise. Here's a clear walkthrough of the 2025 thresholds and how to calculate the limitation.