This sixth edition is updated to reflect the 2003 International Building Code which is referenced on the exam. The chapters that were updated from the fifth edition are:
- Ch. 2: Loads on Buildings
- Ch. 8: Building Code Requirements on Structural Design
- Ch. 9: some minor changes due to updates reflecting the National Design Specifications for Wood Construction (NDS) 2001.
- Ch. 13: Lateral Forces--Wind
- Ch. 14: Lateral Forces--Earthquakes