29 CFR § 500.8 - Prohibition on interference with Department of Labor officials.

It is a violation of section 512(c) of the Act for any person to unlawfully resist, oppose, impede, intimidate, or interfere with any official of the Department of Labor assigned to perform an investigation, inspection, or law enforcement function pursuant to the Act during the performance of such

duties. (Other Federal statutes which prohibit persons from interfering with a Federal officer in the course of official duties are found at 18 U.S.C. 111 and 18 U.S.C. 1114.)