Accounting Periods and Methods free document

Accounting Periods and Methods
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Publication of US Department of the Treasury,Internal Revenue Service

This publication explains the rules for accounting periods and accounting methods.
It contains:
Accounting Periods
Calendar Year
Fiscal Year
Short Tax Year
Accounting Improper Tax Year
Change in Tax Year
Individuals
Periods and Partnerships, S Corporations, and Personal Service Corporations (PSCs)
Corporations (Other Than S corporations Methods and PSCs)
Accounting Methods
Cash Method
Accrual Method
Inventories
Change in Accounting Method