Accrual accounting consists of all the techniques developed by accountants to apply the matching rule. What is the importance of the matching rule? Solution Answer: Matching Principle requires that expenses incurred by an organization must be charged to the income statement in the accounting period in which the revenue, to which those expenses relate, is earned. Importance of matching: The matching principle a basic accounting principle that is adhered to in order to ensure consistency in a company\'s financial statements: i.e. the income statement, balance sheet, etc. If expenses are recognized at the wrong time, the financial statements may be greatly distorted: in turn jeapordizing the quality of the statements and providing an unfair representation of the financial position of the business. For example:.