Each came to ○ can be connected to the sewer home, it is obliged to immediately be connected to the sewer. (Sewerage Law Article 10)
※ such as when authorized by special circumstances, shall not apply.
○ Kumitori toilet must be modified to flush toilets within three years. (3 of the Sewerage Law Article 11)
※ The building is near the removal, or if you plan to be transferred, if the procurement of funds necessary for reconstruction of the water closet is recognized that there are reasonable grounds, such as when there is a difficult situation, this shall not apply .