The authoritative instrument for the distribution of all forms of official IRS tax guidance is the Internal Revenue Bulletin (IRB), a weekly collection of these and other items of general interest to the tax professional community.
perfidy definition: The definition of a perfidy is a deliberate betrayal. (noun) An example of a perfidy is spreading a best friend's secrets all over town....
Perjury. A crime that occurs when an individual willfully makes a false statement during a judicial proceeding, after he or she has taken an oath to speak the truth. The common-law crime of perjury is now governed by both state and federal laws.