Governmental accounting is an umbrella term which refers to the various accounting systems used by various public sector entities. In the United States, for instance, there are three levels of government which follow different accounting standards set forth by independent, private sector boards.

At the federal level, the Federal Accounting Standards Advisory Board (FASAB) sets forth the accounting standards to follow. Similarly, there is the Governmental Accounting Standards Board (GASB) for state level government and Financial Accounting Standards Board (FASB) for local level government.

There is an important difference between private sector accounting and governmental accounting. The main reasons for this difference is the environment of the accounting system. In the government environment, public sector entities have differing goals, as opposed to the private sector entities' one main goal of gaining profit.

Also, in government accounting, the entity has the responsibility of fiscal accountability which is demonstration of compliance in the use of resources in a budgetary context. In the private sector, the budget is a tool in financial planning and it isn't mandatory to comply with it.

The governmental accounting system uses the historic system of fund accounting. A set of separate, self-balancing accounts are responsible for managing resources that are assigned to specific purposes based on regulations and limitations.

The governmental accounting system has a different focus for measuring accounting than private sector accounting. Rather than measuring the flow of economic resources, governmental accounting measures the flow of financial resources.

Instead of recognizing revenue when they are earned and expenses when they are incurred, revenue is recognized when there is money available to liquidate liabilities within the current accounting period, and expenses are recognized when there is a drain on current resources.

Governmental financial statements must be accompanied by required supplementary information (RSI). The RSI is a comparison of the actual expenses compared to the original budget created at the beginning of the fiscal year for the Government's General Fund and all major Special Revenue Funds.

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