Yesterday, 11:56 AM
My reading of subsection (c) leads me to believe this is wholly devoted to matters regarding internal Congressional affairs.
The House Post Office scandal, for instance.
18 U.S. Code § 1001
(a) Except as otherwise provided in this section, whoever, in any matter within the jurisdiction of the executive, legislative, or judicial branch of the Government of the United States, knowingly and willfully—
(1) falsifies, conceals, or covers up by any trick, scheme, or device a material fact;