The NFPA 58 Handbook Edition is sold separately and is not included. The Liquefied Petroleum Gas Code provides crucial safety requirements for all liquefied petroleum gas (propane) installations, aiming to protect homes, businesses, and industrial settings from LP-Gas hazards. The 2020 edition introduces significant updates, including new and revised requirements and procedures that reflect the latest advancements in LP-Gas technology and contemporary safety protocols and best practices.