18 CFR § 367.4350
Account 435, Extraordinary deductions
April 15, 2021
This account must be debited with losses of unusual nature and infrequent occurrence that would significantly distort the current year's income computed before extraordinary items, if reported other than as extraordinary items. Income tax relating to the amounts recorded in this account must be recorded in account 409.3, Income taxes, extraordinary items (§367.4093) (See General Instructions in §367.8).