The product is the 2021 International Fuel Gas Code Looseleaf, authored by the International Code Council. It is a textbook in loose-leaf format, specifically designed for studying international fuel gas regulations. This publication focuses on providing comprehensive information and guidelines for the safe installation and use of fuel gas systems in various settings. Ideal for professionals and students in the field of international fuel gas management, this loose-leaf textbook offers practical insights and standards to ensure compliance with international codes.