I. In the river zone, permit is needed for the following behaviors :1. constructing, rebuilding, repairing or dismantling constructions;2. draining waste water or diverting river flow for use;3. excavating or dumping sediment;4. planting;5. excavating, filling or altering the river geometry for any purpose;6. constructing fish farms, growing oyster or raising domestic animals;7. other river management related actions approved by the authorities.II. Infringers are subject to accusation according to the laws.Water Resources Agency, Ministry of Economic AffairsThe (ordinal number) River Management Office, WRA, MOEA. Tel: