§ 7.465-4 Insufficient records.
Primary source
Verbatim text below is from the Electronic Code of Federal Regulations (eCFR), a public-domain U.S. government work. Always verify the current version with the eCFR before relying on it for any legal matter.
Full Text
If sufficient records do not exist to accurately determine under § 7.465-2 the amount which a taxpayer is at risk on the effective date, the amount at risk shall be the taxpayer's basis in the activity reduced (but not below zero) by the taxpayer's share of amounts described in section 465(b) (3) or (4) with respect to the activity on the day before the effective date.
[T.D. 7504, 42 FR 42198, Aug. 22, 1977]
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