List of Tax Write-Offs for the Self-Employed

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As the worker and the boss, a self-employed taxpayer must file IRS Schedule C to claim expenses and list income, as well as Schedule SE to figure self-employment taxes. Deductible expenses are common: office supplies, insurance and transportation, for example. Although the IRS allows these and several other useful write-offs, the expense must be related to the production of taxable income.

Office and Related Expenses

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Office expenses are deductible for businesses of any size. For the self-employed taxpayer working out of a home office, this means a write-off of home expenses such as rent, mortgage payments, insurance and utilities. The expenses must be pro-rated by the percentage of floor space used for the office. Any expenses dedicated to the business, such as phone charges, computers, furniture, postage and Internet service, are deductible.

Vehicle and Transportation Expenses

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If you use a vehicle in your business, you can write off 56 cents a mile at the time of publication when you're using the vehicle for business purposes. An alternative to this standard mileage rate is to keep track of actual expenses for running and maintaining your vehicle. If you use the vehicle for both business and personal transportation, you pro-rate the expenses by the percentage of miles actually driven for business purposes. Other forms of transportation, such as flights, trains, taxis and buses, are deductible if you travel for business purposes.

Miscellaneous Deductions

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If your business requires some form of insurance, it is deductible, as are advertising and promotion of your work, uniforms, signage, license and permit fees, equipment or office space. The cost of inventory bought for resale, storage, raw materials and taxes are not deductible; these expenses are included in "cost of goods" and used to calculate business net income. The IRS allows the self-employed taxpayer to write off educational expenses related to the business, including tuition, fees, course books, webinars, training and software. Any magazine subscription or organization membership fee can be deducted if it's business-related.

Retirement Plan Contributions

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Self-employed taxpayers can also deduct contributions to a retirement savings plan. Even without employees, a solo business owner may set up a 401(k) plan, which defers taxes until withdrawals are made after age 59 1/2. As of 2014, the tax rules allow a deduction of up to $17,500 for payments to a 401(k) plan, plus 25 percent of any net income reported on Schedule C.

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