Regulation 3 Building control approval for HRB work or stage of HRB workI1

submit an application for building control approval in relation to the work to the building control authority (a “building control approval application for HRB work” or, where the work is done in stages, a “building control approval application for a stage of HRB work”) under regulation 4 (building control approval applications for HRB work or stage of HRB work),

be granted building control approval for the work,

fulfil those requirements, if any, which under the building control approval must be fulfilled before the work or, the stage of the work is started, and

notify the building control authority of the date on which the work or the stage of the work is to start under regulation 9(2) (notice before starting on site and further notice when work is “commenced”).