Administrative Litigation Act Article 73

Where service cannot be effectuated in accordance with the provisions of the two preceding Articles, it may be effectuated by depositing the paper with the autonomous agency or police department at the place where the service shall be effectuated. In such cases, two copies of notice of service shall be made with one copy posted on the front gate of the domicile or residence, office, or place of business of the person to be served and the other copy left with his/her neighbor for delivery or placed in the mailbox or any other appropriate location of the place of service.In cases of the preceding Paragraph, if the postman is the person who effects service, the service may be effectuated by depositing the paper at a neighboring post office.Service by deposit shall take effect ten days from the day of the deposit.The depository agency or institute shall keep the deposited paper for two months from the day of deposit.