Change in Accounting Estimate
Prospective - change is useful lives or estimated warranty costs
Change in Accounting Principle
Retrospective - Change from LIFO to FIFO
Error Corrections
Retrospective - any error in prior financial statements
When applying accounting principles retrospectively
Go back to the earliest period presented & counts as an adjustment to retained earnings
When applying corrections of errors
This counts as a prior period adjustment and includes any income tax expense
What is prospective information?
Any financial information about the future