#tax-deadlines
Tax Deadlines
Important tax filing deadlines and compliance dates to remember
IRS CP504 Notice: What It Means and What to Do Next
IRS Notice CP504 is a formal Notice of Intent to Levy — learn what triggers it, where it falls in the IRS collection sequence, and six actionable options to resolve your tax debt before the 30-day deadline passes.
IRS Form 2553: The Complete Guide to Electing S Corporation Status
Filing IRS Form 2553 by the March deadline lets profitable small businesses and LLCs elect S-corp status, potentially saving over $12,000 annually by shielding distributions from the 15.3% self-employment tax.
IRS Form 7004: The Complete Guide to Business Tax Extensions
IRS Form 7004 grants businesses an automatic six-month filing extension—but it doesn't extend your payment deadline. Learn the 2026 deadlines by entity type, how to complete the form correctly, and the per-partner penalties that kick in when you miss the cutoff.
IRS Form 944: The Small Business Owner's Guide to the Employer's Annual Federal Tax Return
IRS Form 944 lets eligible small employers with $1,000 or less in annual employment tax liability file payroll taxes once a year instead of quarterly — cutting compliance from four returns to one. Learn who qualifies, how to fill it out, deposit schedules, and how to avoid penalties.
IRS Form W-2: The Complete Guide for Employers and Employees
IRS Form W-2 reports annual wages and withheld taxes for every employee — this guide covers who must file, 2026 deadlines (February 2), penalty amounts up to $630 per form, a box-by-box breakdown, and what to do if your W-2 is missing or incorrect.
IRS Penalties: A Complete Guide to Types, Rates, and How to Get Relief
IRS penalties range from 0.5% to 75% of unpaid taxes depending on type—learn the six main categories, current 2026 rates, safe harbor rules, and how to request first-time abatement or reasonable cause relief.
New York State Business Taxes: A Complete Guide for Small Business Owners
New York businesses may owe taxes to three entities simultaneously—state, city, and the MCTD. Covers corporation franchise tax rates, LLC filing fees, NYC GCT and UBT, MCTMT thresholds, quarterly estimated payment deadlines, and key credits for NY small business owners.
1099 Reporting Requirements: The Complete Guide for Small Businesses
The reporting threshold for 1099-NEC and 1099-MISC forms rises to $2,000 in 2026. Learn which forms to file, key deadlines, how to collect W-9s, and how to avoid IRS penalties that can reach $680 per form.
Estimated Quarterly Tax Payments: A Complete Guide to Due Dates and Avoiding Penalties
A practical breakdown of estimated quarterly tax payments for 2026 — who owes them, the four due dates (April 15, June 16, Sept 15, Jan 15), how to calculate using Form 1040-ES, and the safe harbor rules that shield you from IRS underpayment penalties.
Form 4868: The Complete Guide to Filing a Tax Extension
Form 4868 grants an automatic six-month federal tax extension—but not a payment extension. Learn who should file, how to complete the form, key deadlines, penalty comparisons, and common mistakes that cost taxpayers real money.
Com tributen les societats col·lectives? Una guia completa per a socis de negocis
Les societats col·lectives no paguen l'impost sobre la renda federal — els ingressos flueixen cap als socis a través de l'Annex K-1, els quals llavors han de pagar tant l'impost sobre la renda com l'impost sobre el treball autònom. Aquesta guia cobreix els terminis del Formulari 1065, les estimacions trimestrals, la sentència Soroban de 2023 sobre socis comanditaris i els cinc errors més costosos que cometen els socis de negocis.
What Happens If You File a 1099 Late? Penalties, Deadlines, and How to Fix It
A practical guide to IRS 1099 late-filing penalties — including the tiered penalty structure ($60–$680 per form), annual caps for small vs. large businesses, reasonable cause relief options, and step-by-step instructions for filing late or correcting errors.