293 Income received through your principal business.
294 Meals while traveling on business away from home. Entertainment includes entertaining business guests at nightclubs, sporting clubs or events, the purchase of tickets or meals for them, etc.
296 Returned items, rebates, the cost of promotional items, and other allowances from the sales price.
297 Total salaries, wages and other forms of pay you made to employees. Doesn't include wages deducted elsewhere on your return or amounts paid to the sole proprietor.
298 Includes fees charged by accountants and lawyers, including tax or will preparation fees that are related to your business.
299 Any expenses related to the rental or lease of vehicles, machinery, or equipment.
300 Expenses related to the rental or lease of property such as office space in a building or a portion of home rent. Includes taxes and improvements on leased property, the cost of getting a lease, etc.
301 Materials that are consumed and used during the tax year including office supplies (envelopes, staples, scissors), books, and professional instruments.
302 Business expenses that are not included in other categories. (For example, bank service charges, charitable business contributions, impairment-related expenses for the disabled, moving machinery, etc.)
303 All income not included in gross receipts, such as gains or losses from the disposition of certain kinds of property.
304 Includes print, radio, television, direct marketing, and other business-related promotion.
305 You have a bad debt if someone owes you money you cannot collect.
306 The cost of operating and maintaining a car, truck, van, or other vehicle for your business. These costs include gas, oil, repairs, license tags, insurance, and depreciation.
307 A portion of the money you receive as business income paid to someone else for a commission or fee.
308 The cost of providing benefits to employees such as group health and group-term life insurance plans; retirement plans; educational, dependent care, and adoption assistance; etc. A sole proprietor is not an employee.
309 Depletion occurs when natural resources are used up by mining, quarrying, drilling, or felling. This deduction is for the reduction of the natural resource reserves.
310 Premiums you pay for such insurance as fire, theft, or flood, inventory, for business vehicles, credit on losses from unpaid debts, liability, and worker's compensation.
311 Interest paid to banks or other financial institutions for a mortgage on real property used for your business.
312 All interest you paid on debts related to your business-that is, if you use the proceeds of the loan as a business expense.
313 Expenses that relate to maintaining your place of business such as postage, photocopying, printing and Internet service costs, coffee service, etc.
314 Contributions to a pension, profit-sharing, or annuity plan, or plans for the benefit of your employees. Does not include contributions you paid if the plan includes you.
315 The cost of repairs and maintenance to business property (machines, equipment, buildings, etc.). Includes labor (not your own), supplies, and other items.
316 Federal, state, local, and foreign taxes directly related to your business. These include real estate, income, employment, and other taxes such as excise, franchise, fuel, and sales taxes. Include the cost of licenses needed to run your business.
317 Expenses while traveling on business away from your tax home (your regular place of business). These include costs of transportation, baggage and shipping, car, lodging and meals, dry cleaning and laundry, telephone, tips, and so on.
318 Heat, lights, gas, water, telephone, etc.
493 If you are a merchant, use the cost of all merchandise you bought for sale. If you are a manufacturer, include the cost of only raw materials or parts that are used to make the finished product.
494 The wages you pay to those who work directly or indirectly on the product being manufactured. Includes contributions to pension or annuity plans for workers.
495 The cost of equipment, packaging, and other supplies that are not a part of the product but are used in making or selling it. Includes the cost of shipping them to you.
496 The cost of storing the products you sell, shipping containers and packaging, freight, depreciation on machinery, and overhead expenses such as rent, heat, light, taxes, etc.
