This excerpt taken from the PBI 10-K filed Mar 1, 2007.
Reporting Accounting Changes in Interim Financial Statements-An Amendment of APB Opinion No. 28. SFAS 154 requires retrospective application to prior periods financial statements of a voluntary change in accounting principle unless it is not practicable. SFAS 154 is effective for accounting changes and corrections of errors made in fiscal years beginning after December 15, 2005. Our adoption of SFAS 154 did not have a material impact on our financial position, results of operations or cash flows.
In June 2005, the FASB issued FASB Staff Position (FSP) No. FAS 143-1,