United States Code - Title 26 - Internal Revenue Code (5/7) (2018 Edition) The Law Library presents the official text of the United States Code - Title 26 - Internal Revenue Code (5/7) (2018 Edition). Updated as of April 23, 2018 This book contains: - The complete text of the United States Code - Title 26 - Internal Revenue Code (5/7) (2018 Edition) - A table of contents with the page number of each section