Part IVInternational Fuel Gas Code § 4-101. City adoption § 4-102. City modifications. Chapter 1 Scope and Administration §§ 101 – 116 Chapter 2 Definitions §§ 201 – 202 Chapter 3 General Regulations §§ 301 – 307 Chapter 4 Gas Piping Installations §§ 405 – 405 Chapter 5 Chimneys and Vents [As in IFGC] Chapter 6 Specific Appliances §§ 621 – 621 Chapter 7 Gaseous Hydrogen Systems [As in IFGC] Chapter 8 Referenced Standards [As in IFGC] Attachments