This is the most Up-To-Date DOT Pipeline regulatory book available in the United States; it has ALL regulatory updates through the End of November, 2020, both July 2020 updates, which amended class locations, maximum operating pressure reconfirmation for onshore steel transmission pipelines, and updates to the National Registry of Operators.

Here is a list of all affected sections: §§192.5, 192.22, and 192.624.