The Invasive Alien Species Act (IAS Act) was adopted in June 2004, and put into force from June 2005, with the aim of preventing the adverse effects of Invasive Alien Species (IAS) on ecosystems, human safety, agriculture, forestry or fisheries. For the details of the Act, please refer to the following documents:
- Full text of the Invasive Alien Species Act (Law No. 78 (June 2, 2004) [PDF 133KB]
- Cabinet Order to Determine the Date of Enforcement of the Invasive Alien Species Act (April 27, 2005) [PDF 7KB]
- Summary of the Invasive Alien Species Act [PDF 31KB]
- Outline of the Invasive Alien Species Act [PDF(figure) 35KB]
- Basic Policy For Preventing Adverse Effects On Ecosystems Caused By Invasive Alien Species [PDF 195KB]
Based on the Invasive Alien Species Act and the Basic Policy, the list of designated Invasive Alien Species (IAS), Uncategorized Alien Species (UAS) and Living Organisms Required to have a Certificate Attached during their importation in order to verify their types (LORCA) was proposed by academic experts on properties of living organisms. Candidates for designated IAS were selected from among alien species whose adverse effects or the possibilities are already reported by academic articles in the world. The draft list of designated IAS, UAS and LORCA was subjected to the domestic public comments while WTO/SPS notification was being made.
Below is the list of species categorized as designated IAS, UAS and LORCA as of July 1, 2011.