The 2022 Schedule C tax form is the IRS attachment sole proprietors use to report business income and expenses for the 2022 calendar year on their Form 1040. Your net profit or loss from Schedule C flows to Form 1040 and also drives your self-employment tax. If you are filing late, amending, or trying to understand a return you already filed, the mechanics and the 2022-specific figures below still govern.
Who Files a 2022 Schedule C
Three groups use this form.
Sole proprietors are the main filers. If you ran an unincorporated business by yourself at any point in 2022, its income and expenses go on Schedule C, whether or not you had a business name or a separate bank account. Freelancers, gig workers, and side-business owners all fit here.1Internal Revenue Service. Instructions for Schedule C (Form 1040)
Single-member LLCs file the same way. The IRS treats a one-owner LLC as a disregarded entity, so the LLC files nothing of its own and you report its activity on your personal Schedule C.1Internal Revenue Service. Instructions for Schedule C (Form 1040)
Statutory employees are a narrower category: certain drivers, full-time life insurance salespeople, home workers on company materials, and traveling salespeople. Their employer withholds Social Security and Medicare taxes but not income tax, and the “Statutory employee” box on their W-2 is checked. They report that income and their deductible expenses on Schedule C rather than as wages.2Internal Revenue Service. Statutory Employees
Married couples who co-own a business can skip filing a partnership return by electing qualified joint venture status. Each spouse files a separate Schedule C dividing income and expenses by ownership share, and each gets Social Security and Medicare credit for their portion. Both must materially participate, and the couple must file jointly.3Internal Revenue Service. Election for Married Couples Unincorporated Businesses
One boundary worth flagging: not every money-making activity qualifies. An activity is presumed to be a for-profit business if it turned a profit in three of the last five years (two of seven for horse activities). If the IRS classifies your activity as a hobby instead, you can deduct expenses only up to the income the activity generated, meaning no net loss.4Internal Revenue Service. Is Your Hobby a For-Profit Endeavor?
What Goes on the 2022 Form
The 2022 Schedule C has a header and five parts. The header collects your name, Social Security number, business name, EIN if you have one, business address, accounting method, and a business activity code.
Part I: Income
Line 1 is gross receipts or sales. Amounts on any Form 1099-NEC you received go here.5Internal Revenue Service. About Form 1099-NEC For 2022, payment platforms issued Form 1099-K only when transactions topped $20,000 and 200 separate transactions, so many online sellers and gig workers received none, but the income is still taxable.6Internal Revenue Service. Understanding Your Form 1099-K Line 7 gives you gross income after subtracting cost of goods sold and adding other income.1Internal Revenue Service. Instructions for Schedule C (Form 1040)
Part II: Business Expenses
Part II covers about 20 categories of deductible expenses. To qualify, an expense must be both ordinary in your line of work and necessary to the business.7Office of the Law Revision Counsel. 26 U.S. Code 162 – Trade or Business Expenses Dedicated lines cover advertising, vehicle costs, insurance, legal and professional fees, office supplies, rent, repairs, utilities, and wages, among others. Keep receipts, bank statements, or other records showing the date, amount, and business purpose of every deduction.1Internal Revenue Service. Instructions for Schedule C (Form 1040)
Part III: Cost of Goods Sold
Part III applies only if you manufactured or bought products for resale. You enter beginning inventory, purchases, labor, materials, and ending inventory. The result reduces gross income back in Part I.1Internal Revenue Service. Instructions for Schedule C (Form 1040)
Part IV: Vehicle Information
Part IV asks for total miles driven and the business/personal split for any vehicle used for work. For 2022, the standard mileage rate was 58.5 cents per mile from January through June and 62.5 cents per mile from July through December, a mid-year change tied to fuel prices.8Internal Revenue Service. Standard Mileage Rates The alternative is deducting actual expenses (gas, insurance, depreciation, repairs) multiplied by your business-use percentage. Either way, a contemporaneous mileage log is your best defense in an audit.
Part V and the Bottom Line
Part V is for expenses that don’t fit anywhere in Part II, such as bank fees, professional dues, or trade publications. Totals from Parts II and V land on Line 28. Line 31 produces net profit or loss, which transfers to Form 1040.1Internal Revenue Service. Instructions for Schedule C (Form 1040)
Self-Employment Tax on the Net Profit
This is where first-time filers get caught. If your Schedule C net profit was $400 or more, you owe self-employment tax on top of income tax.9Internal Revenue Service. Self-Employed Individuals Tax Center It covers both the employer and employee halves of Social Security and Medicare.
The combined rate is 15.3% (12.4% Social Security, 2.9% Medicare). For 2022, the Social Security portion applied only to the first $147,000 of net self-employment earnings, with no cap on Medicare.10Social Security Administration. Contribution and Benefit Base The tax is not applied to your full net profit. You multiply net earnings by 92.35% first, then apply 15.3% to that figure.11Internal Revenue Service. 2022 Schedule SE (Form 1040) You can then deduct half of the self-employment tax as an adjustment to income on Schedule 1, which lowers your taxable income.12Internal Revenue Service. Topic No. 554, Self-Employment Tax Underestimating this tax is a common reason self-employed filers end up with a surprise balance at filing time.
Deductions Tied to Schedule C Income
Several valuable deductions come from Schedule C activity but appear elsewhere on the return.
Qualified Business Income Deduction
For 2022, sole proprietors could deduct up to 20% of qualified business income under Section 199A. The deduction is applied on Form 1040 after your Schedule C net profit is calculated, not on Schedule C itself.13Internal Revenue Service. Qualified Business Income Deduction Below certain income thresholds, it is straightforwardly 20% of net business income, capped at 20% of total taxable income. Higher earners face additional wage and property limitations. If a 2022 return skipped this, amending is worth considering.
Home Office
If you used part of your home exclusively and regularly as your main place of business in 2022, you can deduct home office expenses. Exclusively is the operative word: a desk in a bedroom you also sleep in doesn’t qualify unless the space is separately identifiable and used only for work.14Internal Revenue Service. How Small Business Owners Can Deduct Their Home Office From Their Taxes The simplified method allows $5 per square foot up to 300 square feet, a maximum of $1,500. The regular method calculates actual expenses proportional to the business-use percentage of your home, reported on Form 8829.
Self-Employed Health Insurance
If you paid your own health insurance premiums and were not eligible for coverage through a spouse’s employer, you can deduct 100% of premiums for yourself, your spouse, and dependents. The deduction is calculated on Form 7206, reported on Schedule 1, and cannot exceed the net profit of the business under which the plan was established.15Internal Revenue Service. Self-Employed Health Insurance Deduction
Filing a 2022 Return Late
The original deadline for 2022 individual returns was April 18, 2023, and the extended deadline was October 16, 2023. Extensions gave more time to file but not to pay; interest ran on unpaid balances from April 18, 2023.
If you still haven’t filed 2022, file as soon as possible. The failure-to-file penalty is 5% of unpaid tax per month, capped at 25%.16Internal Revenue Service. Failure to File Penalty17Internal Revenue Service. Accuracy-Related Penalty18Internal Revenue Service. Avoiding Penalties and the Tax Gap
Amending a 2022 Schedule C
If you already filed and later found missed income, a forgotten deduction, or an error, file Form 1040-X with a corrected Schedule C and any supporting documents. The 1040-X can be filed electronically through tax software.19Internal Revenue Service. File an Amended Return
To claim a refund, you generally have three years from the original filing date or two years from the date you paid the tax, whichever is later. For a 2022 return filed in April 2023, that refund window closes in April 2026. After that, the IRS keeps the money even if you can show you overpaid.
Recordkeeping and the Audit Window
The IRS recommends keeping business records for at least three years from the date you filed.20Internal Revenue Service. Taking Care of Business: Recordkeeping for Small Businesses Employment tax records should stay for at least four years. The IRS generally has three years from the return’s due date or filing date, whichever is later, to open an audit.21Internal Revenue Service. IRS Audits For a 2022 return filed on time in April 2023, that window closes around April 2026; if you filed on extension in October 2023, closer to October 2026.
Two exceptions extend the timeline. If you omitted more than 25% of gross income, the IRS has six years. And there is no time limit for a return that was never filed, which is the strongest argument for filing 2022 even now. Once you file, the clock starts.