Before a contracted work begins receiving recommendations, it can be hidden at any time, regardless of its update status.
Once a contracted work begins receiving recommendations, works that are updating regularly cannot be hidden. Only works that have been on hiatus for more than 15 consecutive days and are not pinned can be hidden. To hide a pinned work, unpin it first, then hide it. Before a contracted work begins receiving recommendations, it can be hidden at any time, regardless of its update status.
Once a contracted work begins receiving recommendations, works that are updating regularly cannot be hidden. Only works that have been on hiatus for more than 15 consecutive days and are not pinned can be hidden. To hide a pinned work, unpin it first, then hide it.