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What Is GAAP?

GAAP is a set of accounting standards followed by most U.S. businesses, nonprofit organizations, and state and local governments, as well as non-U.S. companies.

By Mike Price – Updated Jun 30, 2022 at 10:39AM

Generally accepted accounting principles, or GAAP, is a set of accounting standards followed by most U.S. businesses, nonprofit organizations, and state and local governments. GAAP is industry shorthand used to denote the standardized guidelines that specify how and what companies report to the public. Interested parties such as investors, lenders, and potential donors expect companies to adhere to GAAP reporting standards in order for them to understand and compare an organization's financial performance.

Let's take a closer look at these generally accepted principles and who uses GAAP.

Printed financial statement with a pencil and calculator.
Image source: Getty Images.

Who uses GAAP?

Publicly traded U.S. businesses adhere to GAAP because it is required by the Securities and Exchange Commission (SEC). This means GAAP is particularly useful for investors because it requires each company to measure and report its financial performance in the same way. Directly comparing companies and comparing different reporting periods for the same company are integral parts of making investment decisions.

Most non-public businesses, by contrast, keep track of their financial performances for tax purposes only. Oftentimes, these companies report both GAAP and non-GAAP (adjusted) results, especially with earnings. 

Learn more: GAAP vs. Non-GAAP

What are the generally accepted accounting principles?

Auditors and internal accountants are required to follow these 10 generally accepted accounting principles:

1. Regularity

Companies must follow, with regularity, all specific rules and regulations. The accounting principles work with each other, so any deviation from reporting requirements on one part of a company's financial statement could cause other parts to be incorrect.

2. Consistency

The same accounting standards should be consistently applied for the entire accounting process. A company should make sure that the applicable standards are consistently used throughout the company.

3. Sincerity

Accurate and impartial accounting is imperative. Accountants, despite being paid by the companies they are auditing, must prepare truthful and sincere financial statements.

4. Permanence of method

Different but equally valid accounting methods are sometimes available. Companies should always use the same methods across reporting periods as much as possible. Establishing a permanent accounting method facilitates accurate comparison.

5. Non-compensation

The value of a company's liabilities should not be "compensated for" by the value of the company's assets. A company's assets may exceed its debt, but its financial statements should report both its asset and liabilities separately.

6. Prudence

Accountants should be prudent, or conservative, when deciding which accounting methods to use. A prudent approach ensures that a company's financial performance is not overstated. 

7. Continuity

Accounting should be conducted based on the assumption that a company will continue to operate indefinitely. If an accountant is required to make any assumptions, those assumptions should be based on historical precedents set by the business.

8. Periodicity

Financial data should be reported at regular intervals to allow for easy comparison among reporting periods and companies.

9. Materiality

All material financial data and information should be disclosed. Anything that affects a company's financial standing is generally considered material, meaning that companies must provide full financial disclosure.

10. Utmost good faith

Accountants and business managers should act in good faith by honestly recording transactions and collecting financial data.

Four additional GAAP principles

In addition to these 10 primary principles, companies are expected to adhere to four additional principles to guarantee the integrity and consistency of their financial statements:

  • Recognition: Financial statements should accurately recognize all of a company's assets, liabilities, revenue, and expenses.
  • Measurement: Financial statements should measure and present financial results in accordance with GAAP specifications.
  • Presentation: For its financial statements, a company should present an income statement, balance sheet, cash flow statement, and statement of shareholder's equity.
  • Disclosure: In the spirit of full disclosure, financial statements should include any necessary notes to fully explain the financial information provided.

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Rules and regulations for GAAP

The Financial Accounts Standards Board (FASB), a nonprofit organization given regulatory authority by the SEC in the 1970s, establishes the specific rules and standards in accordance with GAAP. These are the basics of GAAP rules:

  • Accrual accounting: GAAP accounting is accrual accounting. The accrual accounting method records revenue when a service is provided or a good is sold, not when cash is exchanged. Direct expenses such as cost of goods sold are accounted for when the sale of the product or service occurs. Indirect expenses such as rent and marketing are accounted for when the expense is paid.
  • Depreciation and capital expenditures: The costs of large asset purchases are accounted for over the life of the asset. If a business buys a piece of equipment expected to last for 10 years, then the business will expense 10% of the cost of the equipment each year for 10 years.
  • Historical cost: Most assets such as a company's property, facilities, and equipment are reported on the company's balance sheet at their original costs, not their current market values.
  • Bad debts: Companies with significant accounts receivable -- money owed to them by customers -- must account for the likelihood that some of that money will never be received.

Accountants devote their entire careers to understanding and applying the specific rules that the FASB establishes in accordance with GAAP. Knowing at least the basics of GAAP can help investors to better understand and compare the companies in their portfolios.

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