2 ▁- ▁Lim it - state ▁design ▁of ▁cold - formed ▁steel work ▁Building ▁code : ▁National ▁Building ▁Reg ulations ▁of ▁South ▁Africa ▁▁ ▁Amer icas ▁▁ ▁United ▁States ▁Spec ification : ▁North ▁American ▁Spec ification ▁for ▁the ▁Design ▁of ▁Cold - Form ed ▁Ste el ▁Struct ural ▁M embers , ▁document ▁number ▁A IS I ▁S 1 0 0 - 2 0 0 7 ▁published ▁by ▁the ▁American ▁Iron ▁and ▁Ste el ▁Institute ▁in ▁October ▁ 2 0 0 7 . ▁Building ▁Code : ▁I BC ▁and / or ▁N F PA ▁may ▁be ▁enfor ced , ▁but ▁both ▁reference ▁A IS I ▁S 1 0 0 . ▁ ▁Canada ▁Spec ification : ▁North ▁American ▁Spec ification ▁for ▁the ▁Design ▁of ▁Cold - Form ed ▁Ste el ▁Struct ural ▁M embers , ▁document ▁number ▁C AN / C SA ▁S 1 3 6 - 0 7 ▁as ▁published ▁by ▁Canadian ▁Stand ards ▁Association ▁which ▁is ▁the ▁same ▁as ▁A IS I ▁S 1 0 0 ▁except ▁for ▁the ▁cover . ▁Building ▁Code : ▁The ▁National ▁Building ▁Code ▁of ▁Canada ▁is ▁the ▁model ▁code ▁adopted ▁with ▁am end ments ▁by ▁individual ▁Provin ces ▁and ▁Territ ories . ▁The ▁Federal ▁government ▁is ▁outside ▁the ▁juris diction ▁of ▁the ▁Provin cial / T er rit orial ▁authority ▁but ▁usually ▁def ers ▁to ▁the ▁legisl ated ▁requirements ▁within ▁the ▁Province / T er rit ory ▁of ▁the ▁building ▁site . ▁ ▁Brazil ▁Spec ification : ▁N BR ▁ 1 4 7 6 2 : 2 0