Prohibited Allocations of Securities in an S Corporation (US Internal Revenue Service Regulation) (IRS) (2018 Edition) The Law Library presents the complete text of the Prohibited Allocations of Securities in an S Corporation (US Internal Revenue Service Regulation) (IRS) (2018 Edition). Updated as of May 29, 2018 This document contains final regulations that provide guidance concerning requirements under section 409(p) of the Internal Revenue Code for employee stock ownership plans (ESOPs) holding stock of Subchapter S corporations. These final regulations generally affect plan sponsors of, and participants in, ESOPs holding stock of Subchapter S corporations. This book contains: - The complete text of the Prohibited Allocations of Securities in an S Corporation (US Internal Revenue Service Regulation) (IRS) (2018 Edition) - A table of contents with the page number of each section