
Your Mileage Deduction Is Only as Good as Your Log: How to Keep an IRS-Proof Record Under Publication 463
IRS Publication 463 and Section 274(d) require a contemporaneous log with date, destination, miles, and business purpose for every trip.
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Tax strategies, planning, and compliance for individuals and businesses

IRS Publication 463 and Section 274(d) require a contemporaneous log with date, destination, miles, and business purpose for every trip.

Hit one estimated-tax safe harbor and the IRS underpayment penalty disappears — pay 90% of this year's tax or 100% of last year's (110% if prior-year AGI topped $150,000) through timely quarterly payments. Covers the 2026 penalty rate (7% Q1/Q3, 6% Q2, compounded daily), the four due dates, and a bookkeeping system that keeps you penalty-free.

South African freelancers pay provisional tax in two IRP6 installments — 31 August and 28/29 February — by estimating full-year taxable income themselves; missing a deadline or estimating below 90% of actual income triggers a 10% late-payment penalty, a 20% underestimation penalty, and interest from the effective date.

Selling business equipment? IRS Publication 544 explains how depreciation recapture under Section 1245 turns gain into ordinary income on Form 4797.

Section 139 lets employers reimburse employees' unreimbursed disaster expenses with no income tax, no FICA/FUTA, and no W-2 reporting — while keeping the deduction. Covers what qualifies, what doesn't (lost wages, insured costs), the minimal documentation needed, and how to book payments outside payroll.

Starting July 1, 2026, Virginia charges data centers $0.011 per kWh of electricity consumed — the first per-kWh data center tax in the U.S. Here is how the pass-through reaches your colocation or cloud bill, how to estimate your exposure, and how to track it in your books.

Under GAAP's ASC 330, inventory must be carried at the lower of cost or net realizable value. This guide shows small businesses how to calculate NRV, book the write-down, document it for the IRS, and avoid the book-tax timing trap.

Schedule 1-A is the new IRS form for tax years 2025-2028 holding four below-the-line deductions — up to $25,000 for tips, $12,500/$25,000 for the FLSA overtime premium, $10,000 for new-car loan interest, and $6,000 per person age 65+. Each phases out on its own MAGI threshold, and this guide covers who qualifies, how the math works, and what records defend the claim.

Printful and Printify fulfillment charges typically run 45-55% of retail price and belong in Schedule C Part III as cost of goods sold, not in general expenses. This guide separates the two print-on-demand models, shows why a 50% COGS ratio means a $30 sale yields about $6 of contribution after ads and processing, and lays out a chart of accounts and monthly reconciliation that keep margins and taxes correct.

Federal 1099-K filing reverted to $20,000 and more than 200 transactions for 2026, but Maryland, Massachusetts, Vermont, Virginia, DC, Montana and North Carolina still require it at $600 — learn which states keep the lower threshold, how payment-card and TPSO rules differ, and how to book gross, fees, and sales tax so your books tie to every form you receive.

For 2026 the OBBBA resets AMT phaseout thresholds to $500,000 single and $1,000,000 joint and doubles the exemption clawback from 25 to 50 cents per dollar, so the same income that owed no AMT in 2025 can owe five figures next year. A guide to who is exposed, how to estimate your position, and five planning moves before year-end.

Premium cigar lounges pay OTP excise as a capped percentage of wholesale, carry humidor inventory at landed cost with FIFO or average costing, and must defer locker and membership fees as unearned revenue until each month is provided — separating all three keeps margins, taxes, and audits accurate.