Implement the obligation

The persons concerned of one side, after implementing all or part of the obligations, may provisionally stop implementing their obligations, have a lien upon properties of the other side and claim for the losses, if the persons concerned of the other side fail to implement all or part of the obligations.

When the persons concerned of one side fail to implement all or part of the obligations, the persons concerned of the other side may defer implementing their obligations and claim for the losses.

When the persons concerned of one side failing to implement their obligations have guaranteed to implement their obligations, the persons concerned of the other side shat implement their own obligations immediately.