ayer id| equal to base_region_layer_id[i] that contain any VCL NAL unit with dependency_id equal to dependency_id[ b]. Depending on sub_pic_layer_flag[ i], the following applies: If sub_pic_layer_flag[ is equal to 0, it is indicated that the decoded pictures for the picture set picSubset represent a subset of the areas that are represented by the decoded pictures for the picture set basePicSubset. The value of dependency_id[b for the scalable layer b shall be less than the value of dependency_id[ for the current scalable layer. The area that is represented by the decoded pictures for the picture set picSubset is also referred to as the region represented by the current scalable layer and the area represented by the corresponding decoded pictures for the picture set basePicSubset is also referred to as the base region for the current scalable layer. Otherwise (sub_pic_layer_flag[ i ] is equal to 1), it is indicated that the sub-picture area inside the decoded pictures for the picture set picSubset represents a proper subset of the areas that are represented by the decoded pictures for the picture set basePicSubset. The value of dependency_id[ b ] shall be equal to the value of dependency id| i ] for the current sub-picture scalable layer. The area that is represented by the sub-picture area inside the decoded pictures for the picture set picSubset is also referred to as the region represented by the current scalable layer and the area represented by the corresponding decoded pictures for the picture set basePicSubset is also referred to as the base region for the current scalable layer. NOTE 14 - When sub_pic_layer_flag[i] is equal to 1, the base region represents the area of the layer pictures with dependency id equal to dependency_id[ The scalability information SEI message shall contain information for the scalable layer b with layer id[ b ] equal to base_region_layer_id[i], the value of sub_pic_layer_flag[] for the scalable layer b shall be equal to 0, and the value of temporal_io for the scalable layer shall 