Home >Financials >United States Postal Service Annual Report 2010: Foundation For The Future > Notes to the Financial Statements > Note 3—Summary of significant accounting policies > Cash and Cash Equivalents
Securities that mature within 90 days from the purchase date are deemed to be cash equivalents.
Included in Cash and cash equivalents are funds designated to be used for law enforcement purposes and consumer fraud prevention awareness. The amounts so designated at the end of 2010 and 2009 were $170 million and $126 million, respectively.