Similar to the LVNV case from yesterday’s post, here is the case that was used by Mastaw.
This is a Supreme Court ruling.
“In short, it is manifest that, in this case, those reports are not for the systematic conduct of the enterprise as a railroad business. Unlike payrolls, accounts receivable, accounts payable, bills of lading, and the like, these reports are calculated for use essentially in the court, not in the business. Their primary utility is in litigating, not in railroading.”
Here is the link to the document:Palmer v Hoffman 318 US 109 (1943) Affidavit decision