Rev. Rul. 66-335

Where a notional bank charges off a debt in obedience to a written report of a national bank examiner, the debt will be treated as properly charged off in compliance with the `specific order' of a `supervisory authority' within the meaning of section 1.166-2(d)(1) of the Income Tax Regulations.

Where a national bank charges off a debt in obedience to a national bank examiner's oral instructions, the debt will be treated as charged off in compliance with the `specific order' of a `supervisory authority' within the meaning of section 1.166-2(d)(1) of the regulations, provided the oral instructions are subsequently confirmed in writing.