#tax-deadlines
Important tax filing deadlines and compliance dates to remember
Раздел 174 от американския данъчен кодекс възстанови незабавното отписване на местни R&D разходи през 2025 г. съгласно Закона за един голям красив законопроект, а малките предприятия имат срок до 6 юли 2026 г. да изменят декларациите си за 2022–2024 г. и да възстановят възстановявания за предварително капитализирани разходи за научни изследвания.
How IRS Form 2210 works, when you must file it, the three safe harbors that prevent the underpayment penalty, and how Schedule AI reduces the bill for taxpayers with uneven income. Covers 2026 penalty rates (7% in Q1, 6% in Q2), due dates, and common mistakes.
Form 940 is the IRS return employers use to report annual FUTA tax liability—6% on the first $7,000 of each employee's wages, reducible to 0.6% with timely state unemployment tax payments. Covers who must file, quarterly deposit thresholds, how to claim the state tax credit, Schedule A for multi-state employers, and penalties for late filing.
Form 941 is the quarterly payroll tax return every employer must file—reporting withheld income tax, Social Security, and Medicare. Covers who files, 2026 deadlines, how to complete each section, penalty rates (up to 15% for late deposits), and the $100,000 next-day deposit rule.
The IRS has no grace period for unfiled returns—failure-to-file penalties run 5% per month up to 25%, the statute of limitations never starts on an unfiled return, and refunds expire after three years. Here's what the enforcement timeline looks like and how to get back into compliance.
A step-by-step guide to filing a federal tax extension with Form 4868 or 7004 — including how to estimate what you owe, avoid failure-to-pay penalties, and meet the safe harbor threshold to prevent underpayment charges.
A practical step-by-step guide to filing late or unfiled tax returns — covering how to gather prior-year documents, use the correct IRS forms, handle outstanding balances, and request First-Time Abatement.
A state income tax extension is not automatic in most states—this guide covers which states require separate forms, how to estimate and pay taxes owed by the original deadline, and how to avoid late-filing penalties.
A step-by-step guide to filing a late federal tax return—what failure-to-file and failure-to-pay penalties actually cost, how to set up an IRS payment plan, and how to request First-Time Penalty Abatement to eliminate hundreds of dollars in penalties.
A practical guide to small business taxes covering income tax, self-employment tax (15.3%), payroll taxes, 2026 quarterly estimated payment deadlines, IRS payment methods, and strategies to reduce your tax burden.
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.
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.
