29 C.F.R. § 18.1002 Requirement of original.
Title 29 - Labor
To prove the content of a writing, recording, or photograph, the original writing, recording, or photograph is required, except as otherwise provided in these rules, or by rule or regulation prescribed by the administrative agency pursuant to statutory authority, or pursuant to executive order, or by Act of Congress.
Title 29: Labor
PART 18—RULES OF PRACTICE AND PROCEDURE FOR ADMINISTRATIVE HEARINGS BEFORE THE OFFICE OF ADMINISTRATIVE LAW JUDGES
Subpart B—Rules of Evidence
Contents of Writings, Recordings, and Photographs
§ 18.1002 Requirement of original.