By now you should have at least heard about Financial Accounting Standards Board Interpretation No. 48 (“FIN 48”), Accounting for Uncertainty in Income Taxes. FIN 48 has been superseded by the Accounting Standards Codification (“ASC”) 740-10, but is still referred to as FIN 48. Most calendar year organizations are now subject to the provisions of FIN 48, and most non-profit organizations with a June 30 year-end will be subject to its provisions come this June. Yes, I did say non-profit organizations. FIN 48 applies to all entities that prepare financial statements under generally accepted accounting principles (“GAAP”), and it affects the year of implementation, and all years under the statute of limitations for each applicable taxing authority. So, what are the requirements?