Missed the Tax Deadline? How the IRS Failure-to-File Penalty Works
A plain-language guide to the federal failure-to-file penalty, what to do with a late return, and when penalty relief may apply.
INTELLIX Tax Insights
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Practical articles to help individuals, independent professionals, and small-business owners prepare with more confidence.
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General education from Elijah Harris and INTELLIX Tax LLC. For advice about your return, book a personal consultation.
September 2026 Estimated Taxes: A Federal and California Checklist
What self-employed taxpayers should review before the September 15 federal estimated-tax deadline—and why California's normal schedule is different.
1099 Tax Prep Checklist: What to Gather Before You File
A practical checklist for freelancers, contractors, and gig workers who want a calmer, more organized tax appointment.
Estimated Taxes for Self-Employed Professionals: The Basics
Why quarterly payments may matter, what information helps estimate them, and how to avoid treating tax planning as a once-a-year task.
Small-Business Recordkeeping That Makes Tax Time Easier
A straightforward system for keeping income, expense, payroll, and property records ready for tax preparation.