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....
Full Definition of PERSECUTE. transitive verb. 1. : to harass or punish in a manner designed to injure, grieve, or afflict; specifically: to cause to suffer because of belief.