Why will Pablo Matera be able to start in Honda Heat despite his last expulsion?

After what was the fall in view of Saitama Wild Knights by 48-24, Pablo Matera will be the captain of Honda Heat in view of Suntory Sungoliathfor the fifth day of League One in Japan. All rugby, in Disney+.
Although he was sent off last weekend for illegal play contact at the start of a scrum, the Argentine will be able to start next Sunday. This is because, through a disciplinary process of World Rugby, It was decided that the play in question did not merit a red card.
In this way, the Los Pumas forward will be from the start in a key duel, against a team that will have Cheslin Kolbe from the start as a wing.