Suit to recover tax based on false or fraudulent returns.
Section 82
SEC. 82. Suit to recover tax based on false or fraudulent returns. — When an assessment is made in case of any list, statement, or return, which in the opinion of the Collector of Internal Revenue was false or fraudulent, or contained any understatement or undervaluation, no tax collected under such assessment shall be recovered by any suit unless it is proved that the said list, statement, or return was not false nor fraudulent and did not contain any understatement or undervaluation; but this provision shall not apply to statements or returns made or to be made in good faith regarding annual depreciation of oil or gas wells and mines.