Are 401k Catch-Up Contributions Pre-Tax or Roth?
Learn how pre-tax and Roth options work for 401(k) catch-up contributions, from the default choice to eligibility, high earner rules, and tax handling.
Form 5227 Due Date: Extensions, E-Filing, and Penalties
Learn how the Form 5227 due date works for split-interest trusts, from special filing situations and extensions to e-filing rules and late penalties.
How Derivative Income Is Taxed: Section 1256, Forms, and Surtax
Learn how derivative income is taxed, from the main contract categories and loss deferral rules to surtaxes, trader elections, and filing requirements.
Accounting for Warranty Expense: Journal Entries and Book vs. Tax
Learn how accounting for warranty expense works, from estimating the liability at sale through recording claims and handling book-tax timing differences.
Form 2848 Instructions: Line-by-Line Guide and How to Submit
Learn how to fill out Form 2848, from taxpayer and representative details through special authorizations to signing and submitting the form to the IRS.
HSA Triple Tax Advantage: Three Breaks, Plus a Payroll Fourth
Learn how the HSA triple tax advantage works, from eligibility and contributions to keeping withdrawals tax-free and the traps that can undo it.
Is an S Corp the Same as a Single-Member LLC?
Learn whether an S corp is the same as a single-member LLC, from how each is defined to when electing S corp status pays off and what state rules to watch.
ISA 550 Related Parties: Risk, Audit Procedures, and Reporting
Learn how ISA 550 governs auditing of related parties, from identifying relationships and risks through targeted procedures and reporting outcomes.
Significant Modification of Debt: Five Tests and Tax Consequences
Learn how a significant modification of debt is identified, from the tests that trigger it to the tax consequences it creates for borrowers and lenders.
Internal Controls for Inventory: Counting, Valuation, and SOX
Learn how internal controls for inventory work, from securing stock and tracking movement to counting, valuation, and meeting tax and SOX obligations.