#tax-compliance
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Section 461(h) layers an economic performance test on top of the all-events test, so accrual-basis taxpayers cannot deduct a liability until the underlying activity actually happens. The recurring item exception accelerates deductions for predictable expenses when economic performance occurs within 8½ months of year-end and four specific conditions are met.
Section 4958 imposes 25% and 200% excise taxes on excess benefit transactions between public charities and disqualified persons, with a 10% manager tax on knowing approvers. Following three procedural steps creates a rebuttable presumption of reasonableness that shifts the burden of proof to the IRS.
The Section 509(a) public support test requires 501(c)(3) nonprofits to draw more than one-third of support from the public over a rolling five-year window. Fail it twice and you tip into private foundation status—facing a 1.39% excise tax on investment income, mandatory 5% annual payout, and donor deduction limits that drop from 60% to 30% of AGI.
A Section 6603 deposit freezes IRS underpayment interest on contested tax while preserving your appeal, Tax Court, and withdrawal rights. This guide covers the written designation under Rev. Proc. 2005-18, when a deposit beats a payment, LIFO withdrawal mechanics, and the procedural traps that turn planned deposits into accidental payments.
A Section 6603 deposit halts interest on a disputed IRS liability without paying the tax, conceding the position, or forfeiting Tax Court access. Revenue Procedure 2005-18 spells out the mechanics—a written designation that names the tax, year, amount, and basis for disputability.
Washington's B&O tax is a gross receipts tax with major 2026 changes — a $2 million economic nexus threshold, tiered service rates from 1.5% to 2.1%, and a $2M standard deduction. This guide breaks down activity-based classifications, market-based sourcing, penalty math that can exceed 39%, and the bookkeeping practices that keep multistate sellers audit-ready.
For tax year 2026, the federal Adoption Tax Credit caps at $17,670 per eligible child, with up to $5,120 refundable and a five-year carryforward on the nonrefundable remainder. This guide explains Form 8839, the timing rules for domestic, foreign, special needs, and failed adoptions, MAGI phase-out between $265,080 and $305,080, and how to coordinate with employer-provided adoption assistance under Section 137.
How private-company controllers build the ASC 740 income tax provision—current and deferred components, valuation allowances, UTBs, and the new ASU 2023-09 disclosures that take effect for fiscal years beginning after December 15, 2025.
How private company controllers can build a clean ASC 740 income tax provision in 2026 — current and deferred tax, Schedule M-1 reconciliation, valuation allowances, uncertain tax positions, and the new ASU 2023-09 disaggregated income-taxes-paid and qualitative rate disclosures.
Kickstarter and Indiegogo proceeds are business income reported on Schedule C, while GoFundMe donations may be tax-free gifts only if they pass the IRS detached and disinterested generosity test. The OBBBA reset the Form 1099-K threshold to $20,000 and 200 transactions for tax year 2026, but the reporting rule does not change what counts as taxable income.
A practical 2026 guide for businesses with ERC exposure — the closed voluntary disclosure window, the OBBBA six-year statute on Q3/Q4 2021 claims, the categorical disallowance of late filings after January 31 2024, the promoter penalties reaching back to March 12 2020, and the audit file examiners actually request.
With the second ERC Voluntary Disclosure Program closed since November 2024, small businesses with overstated Employee Retention Credit claims still have three remedies in 2026: claim withdrawal, self-amendment via Form 941-X, or responding to an IRS recapture letter. The IRS has a six-year audit window open through April 15, 2027 for Q3 and Q4 2021 claims, plus a 20% accuracy-related penalty for erroneous refunds.
