To ensure compliance and remain up to date, code officials rely upon the modern International Fuel Gas Code, which contains up-to-date information regarding the complete requirements for fuel-gas piping systems, equipment and accessories.  The code includes combustion air requirements, sizing tables for venting Category 1 appliances, and provisions that are coordinated with the National Fuel Gas Code.

International Fuel Gas Code, 2000 ICC, Paperback - Table of Contents:

• Administration
• Definitions
• General Regulations
• Gas Piping Installations
• Chimneys and Vents
• Specific Appliances
• Referenced Standards
• Appendix A Sizing and Capacities of Gas Piping (IFGS)
• Appendix B Sizing of Venting Systems Serving Appliances
  Equipped With Draft Hoods, Category 1 Appliances, and
  Appliances Listed For Use and Type B Vents (IFGS)
• Appendix C Exit Terminals Of Mechanical Draft and
  Direct-Vent Venting Systems (IFGS)
• Appendix D Recommended Procedure For Safety Inspection
  of an Existing Appliance Installation (IFGS)