"Top 10 S Corp Tax Mistakes to Avoid"

The article outlines common mistakes S Corporations make, such as misclassifying shareholder compensation, failing to file necessary forms, and mixing personal and business expenses, which can lead to penalties and IRS scrutiny. It offers actionable tips like maintaining accurate records, filing on time, and consulting tax professionals to ensure compliance and avoid costly errors.


Common Mistake Description How to Avoid
Misclassifying Shareholder Compensation
Improper classification of shareholder income as distributions instead of reasonable compensation can result in IRS penalties.
Ensure shareholders receive reasonable compensation for their work and report it accurately on payroll tax filings.
Failing to File Form 2553
Not submitting Form 2553 to elect S Corporation status can result in the business being taxed as a C Corporation.
File Form 2553 promptly after forming your corporation or converting to S Corporation status.
Incorrect Allocation of Income and Losses
Improperly allocating income, losses, and deductions to shareholders can lead to discrepancies and IRS scrutiny.
Use accurate records and apply the proportional ownership percentages for allocations.
Missing Deadlines
Late filing of tax forms or payment of taxes can result in penalties and interest charges.
Set reminders for important tax deadlines and work with a tax professional to ensure timely compliance.
Errors in Filing Form 1120S
Incorrectly completing Form 1120S can lead to inaccuracies in reporting income, deductions, and credits.
Double-check all information and consult a tax expert to ensure the form is completed and filed correctly.
Failing to Track Shareholder Basis
Not maintaining accurate records of shareholder basis can lead to errors in determining deductible losses.
Keep detailed records of shareholder contributions, distributions, and basis calculations.
Improper Deduction of Fringe Benefits
Deducting fringe benefits incorrectly for 2% or greater shareholders can result in disallowed deductions.
Understand the limitations on fringe benefits for shareholders and comply with IRS rules.
Not Separating Business and Personal Expenses
Mixing business and personal expenses can trigger an audit and result in disallowed deductions.
Maintain clear separation between business and personal transactions and use dedicated business accounts.
Failure to Report All Income
Omitting income from tax filings can lead to underreporting and potential penalties.
Perform a thorough review to ensure all income is reported accurately, including non-cash transactions.
Not Consulting a Tax Professional
Attempting to handle complex S Corporation tax filings without professional guidance can lead to costly mistakes.
Work with a qualified tax professional to navigate S Corporation tax filing requirements and avoid errors.


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