#tax-filing
Tax filing procedures, deadlines, and best practices
A Solo 401(k) crosses into mandatory Form 5500-EZ filing once combined plan assets exceed $250,000 on the last day of the plan year. Late filings cost $250 per day up to $150,000 annually, but Rev. Proc. 2015-32 caps catch-up filings at $1,500 per plan if no penalty notice has been issued.
Self-employed filers can claim the federal Earned Income Tax Credit on Schedule C net earnings, with a 2025 maximum of $8,046 for families with three or more children. This guide covers eligibility thresholds, how to compute earned income (including the half-SE-tax adjustment), the documentation that survives an audit, and the pitfalls that disqualify otherwise valid claims.
A six-week framework for small business owners to catch up unreconciled books, assemble a standardized year-end financial package, and hand off cleanly to an accountant—anchored by the 2026 federal filing deadlines.
A step-by-step walkthrough of business tax filing by entity type — Schedule C for sole props, Form 1065 for partnerships, 1120-S for S-corps, and 1120 for C-corps — with 2026 deadlines, document checklists, audit triggers, and when DIY software stops being enough.
A working guide to IRS Form 1065 for multi-member LLCs and partnerships—what the information return reports, who must file, the March 16, 2026 deadline, the $260-per-partner monthly late penalty, and the bookkeeping habits that prevent K-1 errors.
An LLC that files Form 1065 six months late faces about $6,300 in federal penalties. Learn every 2026 penalty—federal, state, and hidden—plus how to fix or
A 2026 calendar of LLC tax deadlines by IRS classification — single-member LLCs file Schedule C on April 15, multi-member partnerships and S-corps file Forms 1065 and 1120-S on March 16, C-corps file Form 1120 on April 15. Covers Form 7004 extensions, quarterly estimates, and the $245-per-partner late-filing penalty.
The IRS charges 5% per month for late filing (capped at 25%) plus 0.5% per month for late payment, with daily-compounding interest at 7% in Q1 2026. This guide details how each penalty is calculated and four programs — First-Time Abatement, reasonable cause, installment agreements, and Offer in Compromise — that can reduce or remove what you owe.
A line-by-line walkthrough of the 2026 deductions and credits that move the needle for individuals—the $16,100 standard deduction, the new $40,400 SALT cap, the $2,200 Child Tax Credit, the up-to-$8,231 EITC, and the new Schedule 1-A deductions for tips, overtime, and vehicle loan interest.
For 2026 the SALT cap rises to $40,000, reviving the sales tax deduction for homeowners and big-ticket buyers. Choose between sales tax and state income tax on Schedule A, use the IRS optional tables, and stack actual tax paid on vehicles, boats, or renovation materials on top of the table amount.
A practical 2026 walkthrough of how the IRS taxes sole proprietors — covering Schedule C, the 15.3% self-employment tax on 92.35% of net earnings, quarterly estimated payments, the QBI deduction, and the threshold where an S-Corp election starts paying off.
A walkthrough of what the IRS actually does with a return after you file. 24-48 hour acceptance checks, automated math-error and information-return matching, the three Where's My Refund statuses, the 21-day refund target, common rejection reasons, and what each CP notice code means.
