Publication 535 (2005), Business Expenses

Health insurance, deduction for self-employed, Self-Employed Health Insurance Deduction
Heating equipment, Heating equipment.
Help (see Tax help)

I

Impairment-related expenses, Impairment-related expenses.

Improvements, Improvements

Improvements:

By lessee, Improvements by Lessee
For disabled and elderly, Barrier Removal Costs

Income taxes, Income Taxes

Incorrect amount of amortization deducted, Incorrect Amount of Amortization Deducted

Individual retirement arrangements (IRAs), Individual Retirement Arrangement (IRA)

Insurance:

Capitalized premiums, Capitalized Premiums
Deductible premiums, Deductible Premiums
Nondeductible premiums, Nondeductible Premiums
Self-employed individuals, Self-Employed Health Insurance Deduction

Intangible drilling costs, Intangible Drilling Costs

Intangibles, amortization, Section 197 Intangibles

Interest:

Allocation of, Allocation of Interest
Below-market, Below-Market Loans
Business expense for, Interest
Capitalized, Capitalized interest., Capitalization of Interest
Carrying charge, Carrying Charges
Deductible, Interest You Can Deduct
Forgone, Below-Market Loans
Life insurance policies, Interest on loans with respect to life insurance policies.
Not deductible, Interest You Cannot Deduct
Refunds of, Refunds of interest.
When to deduct, When To Deduct Interest

Interview expenses, Interview expense allowances.

IRA, Individual Retirement Arrangement (IRA)

K

Keogh plan (see Qualified retirement plan)
Key person, Who is a key person?
Kickbacks, Bribes and kickbacks.

L

Leases:

Canceling, Canceling a lease.
Cost of getting, Cost of Getting a Lease, Getting a Lease
Improvements by lessee, Improvements by Lessee
Leveraged, Leveraged leases.
Mineral, Bonuses and advanced royalties.
Oil and gas, Bonuses and advanced royalties.
Sales distinguished, Lease or purchase.
Taxes on, Taxes on Leased Property

Legal and professional fees, Legal and professional fees.

Licenses, Government-granted license, permit, etc., Licenses and regulatory fees.

Limit on deductions, Not-for-Profit Activities

Line of credit, Line of credit (continuous borrowings).

Loans:

Below-market interest rate, Below-Market Loans
Discounted, Discounted loan.
Origination fees, Points.
To employees, Loans or Advances

Lobbying expenses, Lobbying expenses.

Lodging and meals, Meals and lodging.

Long-term care insurance, Qualified long-term care insurance.

Losses:, Limits on losses., Not-for-Profit Activities

At-risk limits, At-risk limits.
Net operating, Net operating loss.
Passive activities, Passive activities.

M

Machinery parts, Machinery parts.

Meals, Reimbursement of Travel, Meals, and Entertainment

Meals and entertainment, Meals and Entertainment

Meals and lodging, Meals and lodging.

Medical expenses, Impairment-related expenses.

Methods of accounting, When Can I Deduct an Expense?

Mining:

Depletion, Mines and Geothermal Deposits
Development costs, Development Costs
Exploration costs, Exploration Costs

Money purchase pension plan, Money purchase pension plan.

More information (see Tax help)

Mortgage:, Mortgage.

Cost of acquiring, Expenses paid to obtain a mortgage.
Interest, Mortgage.

Moving expenses, machinery, Moving machinery.

N

Natural gas, Natural Gas Wells

Nonqualifying intangibles, Assets That Are Not Section 197 Intangibles

Not-for-profit activities, Not-for-Profit Activities

Notification requirement:

SIMPLE IRA, Notification Requirement

O

Office in home, Business use of your home.

Oil and gas wells:

Depletion, Oil and Gas Wells
Drilling costs, Intangible Drilling Costs
Partnerships, Partnerships and S Corporations
S corporations, Partnerships and S Corporations

Optional write-off method:

Circulation costs, Optional Write-off of Certain Tax Preferences
Experimental costs, Optional Write-off of Certain Tax Preferences
Intangible drilling and development costs, Optional Write-off of Certain Tax Preferences
Mining exploration and development costs, Optional Write-off of Certain Tax Preferences
Research costs, Optional Write-off of Certain Tax Preferences

Organization costs:

Corporate, Costs of Organizing a Corporation
Partnership, Costs of Organizing a Partnership

Organizational costs, Business Start-Up and Organizational Costs

Original issue discount, Original issue discount (OID).

Outplacement services, Outplacement services.

P

Passive activities, Passive activities.

Payments in kind, Payments in kind.

Penalties:, Prepayment penalty.

Deductible, Penalties and fines.
Nondeductible, Penalties and fines.
Prepayment, Prepayment penalty.

Per diem and car allowances:

High-low rate, Per Diem and Car Allowances
Regular rate, Per Diem and Car Allowances
Reporting allowance, Per Diem and Car Allowances
Standard meal allowance, Per Diem and Car Allowances
Standard mileage rate, Per Diem and Car Allowances

Percentage depletion, Percentage Depletion

Personal property tax, Personal property tax.

Points, Points.

Political contributions, Political contributions.

Pollution control facilities, Pollution Control Facilities

Prepaid expense, Prepayment.

Prepaid expense:

Extends useful life, Prepayment.
Interest, Prepaid interest., Prepaid interest.
Rent, Rent paid in advance.

Prepayment penalty, Prepayment penalty.

Presumption of profit, Not-for-Profit Activities

Profit-sharing plans, Profit-sharing plan.

Publications (see Tax help)

Q

Qualified retirement plan, Qualified Plan

R

Rate Worksheet for Self-Employed, Figuring Your Deduction

Real estate taxes, Real Estate Taxes

Recapture:

Clean-fuel deductions, Recapture of the Deductions
Electric vehicle credit, Recapture of the Credit
Exploration expenses, Recapture of exploration expenses.
Timber property, Recapture.

Recovery of amount deducted, Recovery of amount deducted (tax benefit rule).

Refiners who cannot claim percentage depletion, Refiners who cannot claim percentage depletion.

Reforestation costs, Reforestation Costs, Reforestation Costs

Regulatory fees, Licenses and regulatory fees.

Reimbursements, Reimbursements

Reimbursements:

Accountable plan, Accountable Plans
Mileage, Per Diem and Car Allowances
Nonaccountable plan, Nonaccountable Plans
Per diem, Per Diem and Car Allowances
Qualifying requirements, Accountable Plans

Related persons:

Anti-churning rules, Related person.
Clean-fuel vehicle deduction, Related persons.
Coal or iron ore, Disposal to related person.
Payments to, Related person., Related person.
Refiners, Related person.
Unreasonable rent, Unreasonable rent.

Removal:

Barrier, Barrier Removal Costs
Retired asset, Retired Asset Removal Costs

Rent expense, capitalizing, Capitalizing Rent Expenses

Repairs, Repairs.

Repayments (claim of right), Repayments.

Research costs, Research and Experimental Costs, Research and Experimental Costs

Retirement plans:

Defined benefit, Defined Benefit Plan
Defined contribution, Defined Contribution Plan
IRA, Individual Retirement Arrangement (IRA)
Money purchase, Money purchase pension plan.
Profit-sharing, Profit-sharing plan.
Qualified, Qualified Plan
Salary reduction arrangement, Salary Reduction Simplified Employee Pension (SARSEP)
SEP, Simplified Employee Pension (SEP)
SIMPLE, SIMPLE Retirement Plans

S

Salaries and wages, Employees' Pay
Sales taxes, Sales tax.
Section 179 expense deduction (see Cost recovery)
Self-employed health insurance deduction, Self-Employed Health Insurance Deduction
Self-employment tax, Self-employment tax.
Self-insurance, reserve for, Nondeductible Premiums
SEP plans, Simplified Employee Pension (SEP)
Sick pay, Sick and Vacation Pay
SIMPLE plans, Excludable employees., Compensation., Notification Requirement, Contribution Limits, Employer matching contributions., Nonelective contributions., When To Deduct Contributions, Distributions (Withdrawals)
Standard meal allowance, Standard meal allowance.
Standard mileage rate, Per Diem and Car Allowances
Standby charges, Commitment fees or standby charges.
Start-up costs, Business Start-Up and Organizational Costs, Business Start-Up Costs
Subscriptions, Club dues and membership fees., Subscriptions.
Suggestions for publication, Comments and suggestions.
Supplies and materials, Supplies and materials.

T

Tax help,

Tax preparation fees, Tax preparation fees.

Taxes:, Taxes on Leased Property

Carrying charge, Carrying Charges
Employment, Employment Taxes
Excise, Excise taxes.
Franchise, Franchise taxes.
Fuel, Fuel taxes.
Income, Income Taxes
Leased property, Taxes on Leased Property
Personal property, Personal property tax.
Real estate, Real Estate Taxes
Sales, Sales tax.
Unemployment fund, Unemployment fund taxes.

Taxpayer Advocate, Contacting your Taxpayer Advocate.

Telephone, Telephone.

Timber, Reforestation Costs, Timber

Tools, Tools.

Trademark, trade name, Franchise, trademark, or trade name., Franchise, trademark, trade name.

Travel, Reimbursement of Travel, Meals, and Entertainment

TTY/TDD information,

U

Unemployment fund taxes, Unemployment fund taxes.
Unpaid expenses, related person, Related person.
Utilities, Utilities.

V

Vacation pay, Sick and Vacation Pay

W

Wages and salaries, Employees' Pay
Welfare benefit funds, Welfare benefit funds.

Index

A

B

C

D

E

F

G

H

I

K

L

M

N

O

P

Q

R

S

T

U

V

W