NBC 2005 live load reduction is specified in code clause 4.1.5.9.

Only live loadings with the "Live (Reducible)", "Live (Storage)", and Live (Parking) types are reduced. Live (Reducible) loads are reduced in accordance with 4.1.5.9 2), and Live (Storage) and Live (Parking) types are reduced in accordance with 4.1.5.9 3).