slice id shall immediately precede any present coded slice data partition B NAL unit with the same value of slice A coded slice data partition A NAL unit with a particular value of slice id shall immediately precede any present coded slice data partition C NAL unit with the same value of slice id, when a coded slice data partition B NAL unit with the same value of slice is not present. When a coded slice data partition B NAL unit with a particular value of slice : id is present, it shall immediately precede any present coded slice data partition C NAL unit with the same value of slice_id. Otherwise (separate_colour_plane_flag is equal to 1), coded slice of a non-IDR picture NAL units or coded slice data partition NAL units of a slice group for a particular value of colour_plane shall not be interleaved with coded slice of a non-IDR picture NAL units or coded slice data partition NAL units of another slice group with the same value of colour plane id and the order of coded slice of a non-IDR picture NAL units or coded slice data partition A NAL units within a slice group for particular value of colour_plane_id s shall be in the order of increasing macroblock address for the first macroblock of each coded slice of a non-IDR picture NAL unit or coded slice data partition A NAL unit of the particular slice group having the particular value of colour_plane_id. A coded slice data partition A NAL unit associated with a particular value of slice_id and Rec. ITU-T H.264 (01/2012) colour_plane_id shall immediately precede any present coded slice data partition B NAL unit with the same value of slice id and colour_plane_id. A coded slice data partition A NAL unit associated with a particular value of slice id and colour_plane_id shall immediately precede any present coded slice data partition C NAL unit with the same value of slice id and colour_plane_id, when a coded slice data partition B NAL unit with the same value of slice id and colour_plane_id is not present. When a coded slice data partition B NAL unit with a partic