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The IRS Schedule C (Form 1040) serves as a crucial tool for individuals engaged in self-employment or operating a sole proprietorship. This form allows taxpayers to report income earned from their business activities, detailing both revenue and expenses. By providing a comprehensive overview of business profits or losses, Schedule C enables individuals to accurately calculate their taxable income. Key components of the form include sections for reporting gross receipts, cost of goods sold, and various business expenses such as advertising, utilities, and vehicle costs. Additionally, the form requires information about the business, including its name, address, and the nature of the activities conducted. Understanding how to complete Schedule C is essential for self-employed individuals, as it not only affects their tax obligations but also plays a significant role in their overall financial health.

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SCHEDULE C (Form 1040)

Department of the Treasury Internal Revenue Service

Profit or Loss From Business

(Sole Proprietorship)

Attach to Form 1040, 1040-SR, 1040-SS, 1040-NR, or 1041; partnerships must generally file Form 1065.

Go to www.irs.gov/ScheduleC for instructions and the latest information.

OMB No. 1545-0074

2025

Attachment Sequence No. 09

Name of proprietor

APrincipal business or profession, including product or service (see instructions)

CBusiness name. If no separate business name, leave blank.

Social security number (SSN)

BEnter code from instructions

DEmployer ID number (EIN) (see instr.)

EBusiness address (including suite or room no.) City, town or post office, state, and ZIP code

F

Accounting method:

(1)

Cash

(2)

Accrual

(3)

Other (specify)

G

Did you “materially participate” in the operation of this business during 2025? If “No,” see instructions for limit on losses .

H

If you started or acquired this business during 2025, check here

I

Did you make any payments in 2025 that would require you to file Form(s) 1099? See instructions

J

If “Yes,” did you or will you file required Form(s) 1099?

Yes No

Yes No

Yes No

Part I

 

Income

 

 

 

 

 

 

 

1

Gross receipts or sales. See instructions for line 1 and check the box if this income was reported to you on

 

 

 

Form W-2 and the “Statutory employee” box on that form was checked

. . . . . . . . .

1

 

2

Returns and allowances

. . . . . . . . . . .

2

 

3

Subtract line 2 from line 1

. . . . . . . . . . .

3

 

4

Cost of goods sold (from line 42)

. . . . . . . . . . .

4

 

5

Gross profit. Subtract line 4 from line 3

. . . . . . . . . . .

5

 

6

Other income, including federal and state gasoline or fuel tax credit or refund (see instructions) . . . .

6

 

7

Gross income. Add lines 5 and 6

. . . . . . . . . . .

7

 

Part II

 

Expenses. Enter expenses for business use of your home only on line 30.

 

 

8

Advertising

8

 

18

Office expense (see instructions) .

18

 

9

Car

and

truck expenses

 

 

19

Pension and profit-sharing plans .

19

 

 

(see instructions) . . .

9

 

20

Rent or lease (see instructions):

 

 

10

Commissions and fees .

10

 

a

Vehicles, machinery, and equipment

20a

11

Contract labor (see instructions)

11

 

b

Other business property . . .

20b

12

Depletion

12

 

21

Repairs and maintenance . . .

21

 

13

Depreciation and section 179

 

 

22

Supplies (not included in Part III) .

22

 

 

expense

deduction

(not

 

 

 

 

 

 

23

Taxes and licenses

23

 

 

included in Part III) (see

 

 

 

 

instructions) . . . .

13

 

24

Travel and meals:

 

 

14

Employee benefit programs

 

 

a

Travel

24a

 

(other than on line 19)

.

14

 

b

Deductible meals (see instructions)

24b

15

Insurance (other than health)

15

 

25

Utilities

25

 

16

Interest (see instructions):

 

 

26

Wages (less employment credits)

26

 

a

Mortgage (paid to banks, etc.)

16a

 

27a

Energy efficient commercial bldgs

 

 

b

Other

16b

 

 

deduction (attach Form 7205) . .

27a

17

Legal and professional services

17

 

b

Other expenses (from line 48) . .

27b

28

Total expenses before expenses for business use of home. Add lines 8 through 27b

28

 

29

Tentative profit or (loss). Subtract line 28 from line 7

. . . . . . . . . . .

29

 

30Expenses for business use of your home. Do not report these expenses elsewhere. Attach Form 8829 unless using the simplified method. See instructions.

Simplified method filers only: Enter the total square footage of (a) your home:

 

and (b) the part of your home used for business:

 

 

. Use the Simplified

 

 

 

Method Worksheet in the instructions to figure the amount to enter on line 30

. .

30

 

31

Net profit or (loss). Subtract line 30 from line 29.

 

 

}

 

 

 

• If a profit, enter on both Schedule 1 (Form 1040), line 3, and on Schedule SE, line 2. (If you

 

 

 

checked the box on line 1, see instructions.) Estates and trusts, enter on Form 1041, line 3.

31

 

 

• If a loss, you must go to line 32.

 

 

 

 

32

If you have a loss, check the box that describes your investment in this activity. See instructions.

}

 

 

 

• If you checked 32a, enter the loss on both Schedule 1 (Form 1040), line 3, and on Schedule

32a

All investment is at risk.

 

SE, line 2. (If you checked the box on line 1, see the line 31 instructions.) Estates and trusts, enter on

 

Form 1041, line 3.

 

 

32b

Some investment is not

 

• If you checked 32b, you must attach Form 6198. Your loss may be limited.

 

 

at risk.

For Paperwork Reduction Act Notice, see the separate instructions.

Cat. No. 11334P

Schedule C (Form 1040) 2025 Created 4/3/25

Schedule C (Form 1040) 2025

Page 2

Part III

Cost of Goods Sold (see instructions)

 

33

Method(s) used to

 

 

 

 

 

 

 

value closing inventory:

a

Cost

b

Lower of cost or market

c

Other (attach explanation)

34Was there any change in determining quantities, costs, or valuations between opening and closing inventory?

If “Yes,” attach explanation

Yes

No

35

Inventory at beginning of year. If different from last year’s closing inventory, attach explanation . . .

35

36

Purchases less cost of items withdrawn for personal use

36

37

Cost of labor. Do not include any amounts paid to yourself

37

38

Materials and supplies

38

39

Other costs

39

40

Add lines 35 through 39

40

41

Inventory at end of year

41

42

Cost of goods sold. Subtract line 41 from line 40. Enter the result here and on line 4

42

Part IV Information on Your Vehicle. Complete this part only if you are claiming car or truck expenses on line 9 and are not required to file Form 4562 for this business. See the instructions for line 13 to find out if you must file Form 4562.

43

When did you place your vehicle in service for business purposes? (month/day/year)

/

/

44Of the total number of miles you drove your vehicle during 2025, enter the number of miles you used your vehicle for:

a Business

b Commuting (see instructions)

c Other

45 Was your vehicle available for personal use during off-duty hours? . . . . . . . . . . . . . . .

46 Do you (or your spouse) have another vehicle available for personal use?. . . . . . . . . . . . . .

47a Do you have evidence to support your deduction? . . . . . . . . . . . . . . . . . . . .

b If “Yes,” is the evidence written? . . . . . . . . . . . . . . . . . . . . . . . . .

Part V Other Expenses. List below business expenses not included on lines 8-27a, or line 30.

Yes

Yes

Yes

Yes

No

No

No

No

48

Total other expenses. Enter here and on line 27b

48

Schedule C (Form 1040) 2025

Form Specifications

Fact Name Description
Purpose The IRS Schedule C (Form 1040) is used by sole proprietors to report income or loss from a business they operated or a profession they practiced.
Filing Requirement Taxpayers must file Schedule C if they have net earnings from self-employment of $400 or more.
Income Reporting All business income, including cash, checks, and credit card payments, must be reported on this form.
Deductible Expenses Common deductible expenses include supplies, utilities, and business-related travel costs.
Net Profit or Loss The form calculates the net profit or loss, which is then transferred to the main Form 1040 for tax purposes.
State-Specific Forms Some states require additional forms for reporting business income, governed by state tax laws. For example, California uses Form 540 and follows the California Revenue and Taxation Code.
Filing Deadline The Schedule C must be filed by the same deadline as Form 1040, typically April 15th, unless an extension is requested.

IRS Schedule C 1040: Usage Guidelines

Completing the IRS Schedule C (Form 1040) is an essential step for individuals reporting income from self-employment. After filling out this form, you will have a clearer picture of your business income and expenses, which will be necessary for your overall tax return. Here are the steps to fill out the form:

  1. Obtain the Form: Download Schedule C from the IRS website or use tax preparation software that includes this form.
  2. Enter Your Business Information: Provide your name, Social Security number, and the name of your business. Include the business address and the type of business you operate.
  3. Choose Your Accounting Method: Indicate whether you use cash or accrual accounting. This choice affects how you report income and expenses.
  4. Report Income: List your gross receipts or sales from your business. If applicable, subtract any returns or allowances to calculate your total income.
  5. Detail Expenses: In the expenses section, categorize and enter all business-related expenses. Common categories include advertising, car and truck expenses, and office supplies.
  6. Calculate Net Profit or Loss: Subtract total expenses from total income. This figure represents your net profit or loss for the year.
  7. Complete Additional Sections: If applicable, fill out any additional sections related to specific deductions or credits, such as home office expenses.
  8. Sign and Date the Form: After reviewing your entries for accuracy, sign and date the form. This step is crucial for validating your submission.

After completing Schedule C, you will need to attach it to your Form 1040 when filing your taxes. Make sure to keep a copy for your records, as it may be useful for future reference or in case of an audit.

Your Questions, Answered

What is IRS Schedule C (Form 1040)?

IRS Schedule C (Form 1040) is a tax form used by self-employed individuals to report income or loss from their business. This form is essential for sole proprietors and those who operate a single-member LLC. It provides a detailed account of business revenues and expenses, allowing the IRS to assess your taxable income accurately.

Who needs to file Schedule C?

Individuals who earn income from self-employment must file Schedule C. This includes freelancers, independent contractors, and small business owners. If you have a side business or hobby that generates income, you may also need to report it on this form. Even if your business operates at a loss, you still need to file Schedule C to report your income and expenses.

What types of income should be reported on Schedule C?

All income generated from your business activities must be reported on Schedule C. This includes sales revenue, commissions, fees for services, and any other earnings related to your business operations. It is crucial to keep accurate records of all income sources to ensure compliance with IRS requirements.

What expenses can be deducted on Schedule C?

Business expenses that are ordinary and necessary for your trade or business can be deducted on Schedule C. Common deductible expenses include rent, utilities, supplies, advertising, and business travel. It is important to maintain detailed records and receipts for all expenses to substantiate your claims in case of an audit.

How do I calculate my net profit or loss on Schedule C?

Your net profit or loss is calculated by subtracting your total business expenses from your total business income. This figure is then reported on your Form 1040. If your expenses exceed your income, you will report a net loss, which can potentially offset other income on your tax return.

Can I file Schedule C electronically?

Yes, you can file Schedule C electronically using various tax preparation software or through a tax professional. E-filing is often faster and more efficient, allowing for quicker processing of your tax return and potential refunds. Ensure that the software you use is IRS-approved for filing Schedule C.

What records do I need to keep for Schedule C?

Maintaining accurate records is vital for filing Schedule C. You should keep receipts, invoices, bank statements, and any documentation related to your business income and expenses. Organizing these records throughout the year can simplify the filing process and help you substantiate your claims if needed.

Is there a deadline for filing Schedule C?

Schedule C is typically due on the same date as your individual income tax return, which is usually April 15. If you require more time, you can file for an extension, but any taxes owed must still be paid by the original deadline to avoid penalties and interest.

What should I do if I make a mistake on my Schedule C?

If you discover an error after filing your Schedule C, you can correct it by filing an amended tax return using Form 1040-X. This form allows you to make necessary changes to your income, deductions, or credits. It is important to address mistakes promptly to avoid potential issues with the IRS.

Common mistakes

  1. Inaccurate Reporting of Income: Many individuals fail to report all sources of income. This includes cash payments and side jobs. Underreporting can lead to penalties and interest from the IRS.

  2. Neglecting Business Expenses: Some taxpayers overlook legitimate business expenses. This may include costs for supplies, travel, and home office deductions. Missing these can result in a higher tax liability.

  3. Incorrect Classification of Expenses: Expenses must be categorized correctly. For example, mixing personal and business expenses can lead to inaccuracies. This misclassification may trigger an audit.

  4. Failure to Keep Adequate Records: Without proper documentation, it becomes challenging to substantiate income and expenses. Receipts and invoices are crucial for supporting claims made on the Schedule C.

  5. Missing Signature and Date: It may seem trivial, but forgetting to sign and date the form can delay processing. This oversight can lead to complications in the filing process.

Documents used along the form

When filing your taxes as a self-employed individual or a small business owner, the IRS Schedule C (Form 1040) is a crucial document. However, it is often accompanied by various other forms and documents that help provide a complete picture of your financial situation. Below is a list of common forms that may be used alongside Schedule C, each serving its own purpose in the tax filing process.

  • Form 1040: This is the standard individual income tax return form used by taxpayers to report their annual income. Schedule C is attached to this form to report income or loss from a business.
  • Schedule SE: This form is used to calculate self-employment tax. If you earn income from self-employment, you must file this form to determine how much you owe.
  • Form 4562: This document is used to claim depreciation and amortization on business assets. It helps you spread the cost of significant purchases over several years.
  • Form 8829: If you use part of your home for business, this form allows you to deduct home office expenses. It details the expenses related to the business use of your home.
  • Form 1099-MISC: This form reports income received from sources other than your regular employer. If you earned money as an independent contractor, you might receive this form from clients.
  • Form 1099-NEC: Similar to the 1099-MISC, this form specifically reports non-employee compensation. It is often used for reporting payments made to independent contractors.
  • Form W-9: This form is used to provide your taxpayer identification number to clients or businesses that will pay you. It ensures that they have the correct information for reporting payments to the IRS.
  • Form 1040-ES: If you expect to owe tax, this form is used to pay estimated taxes on your income throughout the year. It helps you avoid penalties for underpayment.
  • Schedule A: If you itemize deductions instead of taking the standard deduction, this form is necessary. It allows you to list various deductible expenses, such as mortgage interest and charitable contributions.

Each of these forms plays an essential role in ensuring that your tax return is accurate and complete. By understanding their purposes, you can navigate the tax filing process with greater confidence and clarity. Remember, seeking assistance from a tax professional can also provide valuable guidance tailored to your unique situation.

Similar forms

The IRS Schedule C (Form 1040) is primarily used by sole proprietors to report income and expenses from their business activities. Several other documents serve similar purposes in different contexts. Here are four such documents:

  • IRS Schedule E (Form 1040): This form is used to report income or loss from rental real estate, royalties, partnerships, S corporations, estates, trusts, and residual interests in REMICs. Like Schedule C, it provides a way to report income from a business-like activity, though it focuses on passive income sources.
  • IRS Schedule F (Form 1040): This form is specifically for farmers to report income and expenses related to farming operations. Similar to Schedule C, it allows for the deduction of business expenses, but it is tailored for agricultural activities.
  • IRS Form 1065: This is the U.S. Return of Partnership Income, used by partnerships to report their income, deductions, gains, and losses. While Schedule C is for sole proprietors, Form 1065 serves a similar purpose for partnerships, allowing for the reporting of business financials.
  • IRS Form 1120: This is the U.S. Corporation Income Tax Return, used by corporations to report their income, gains, losses, deductions, and credits. While Schedule C is for individuals, Form 1120 serves a similar function for corporate entities, focusing on business earnings and tax obligations.

Dos and Don'ts

When filling out the IRS Schedule C (Form 1040), it is important to follow certain guidelines to ensure accuracy and compliance. Below is a list of dos and don'ts to help you through the process.

  • Do provide accurate information about your business income and expenses.
  • Do keep detailed records of all transactions related to your business.
  • Do report all sources of income, including cash payments.
  • Do claim only legitimate business expenses that are necessary and ordinary.
  • Do consult the IRS instructions for Schedule C to understand specific requirements.
  • Don't exaggerate your expenses or income.
  • Don't mix personal and business expenses; keep them separate.
  • Don't forget to sign and date the form before submitting it.
  • Don't ignore deadlines; file your form on time to avoid penalties.
  • Don't overlook the importance of accurate math; double-check your calculations.

Misconceptions

The IRS Schedule C (Form 1040) is a vital document for self-employed individuals, yet many misconceptions surround it. Below are eight common misunderstandings regarding this form, along with clarifications.

  • Only businesses with high income need to file Schedule C. This is not true. Any self-employed individual, regardless of income level, must file Schedule C if they earn money from a business.
  • All expenses can be deducted without documentation. In reality, it is essential to keep accurate records and receipts for all expenses claimed on Schedule C. The IRS may require proof of these expenses.
  • Filing Schedule C guarantees a tax audit. While self-employment can increase the likelihood of an audit, simply filing Schedule C does not automatically trigger one.
  • Schedule C is only for sole proprietors. This form is primarily for sole proprietors, but it can also be used by single-member LLCs that are treated as disregarded entities for tax purposes.
  • All income must be reported on Schedule C. Some income may be reported elsewhere, such as on Form 1099. However, all business income should ultimately be reported on Schedule C.
  • You cannot deduct home office expenses. This is a misconception. If a portion of your home is used exclusively for business, you may be eligible to deduct related expenses.
  • Filing Schedule C is complicated and time-consuming. While it can be detailed, many resources and software programs simplify the process, making it manageable for most individuals.
  • Self-employment taxes are only based on net income. This is misleading. Self-employment taxes apply to both net earnings and any applicable deductions, affecting the total tax liability.

Understanding these misconceptions can help individuals better navigate the requirements of the IRS Schedule C and ensure compliance with tax obligations.

Key takeaways

Filling out the IRS Schedule C (Form 1040) is an important step for self-employed individuals and sole proprietors. Here are some key takeaways to consider:

  • Purpose: Schedule C is used to report income or loss from a business you operated or a profession you practiced as a sole proprietor.
  • Eligibility: You must be self-employed or a sole proprietor to use this form. Employees of a business do not fill out Schedule C.
  • Income Reporting: All income received from your business must be reported, including cash, checks, and electronic payments.
  • Business Expenses: You can deduct ordinary and necessary expenses incurred in your business, such as supplies, utilities, and rent.
  • Record Keeping: Maintain accurate records of all income and expenses. This documentation supports the figures reported on your Schedule C.
  • Net Profit or Loss: The form calculates your net profit or loss, which is then transferred to your Form 1040. This amount affects your overall tax liability.
  • Self-Employment Tax: If you have a net profit, you may owe self-employment tax in addition to income tax. This tax covers Social Security and Medicare contributions.
  • Filing Deadline: Schedule C must be filed by the same deadline as your Form 1040, typically April 15, unless an extension is requested.
  • Estimated Taxes: If you expect to owe $1,000 or more in taxes, consider making estimated tax payments throughout the year to avoid penalties.
  • Consult a Professional: If you have questions or complex situations, it may be beneficial to consult a tax professional for guidance.

Understanding these key points can help ensure that you accurately complete Schedule C and comply with IRS requirements.