Before revision: United States buildings Engineered structural design must comply with the applicable sections of the latest edition of the "Specification for Structural Steel Buildings" of the American Institute of Steel Construction (AISC) and the "Specification for the Design of Cold Formed Steel Structural Members" of the American Iron and Steel Institute (AISI).
After revision: In the United States Engineered structural design must comply with the applicable sections of the latest edition of the "Specification for Structural Steel Buildings" of the American Institute of Steel Construction (AISC) and the "Specification for the Design of Cold Formed Steel Structural Members" of the American Iron and Steel Institute (AISI).