Starting July 1, anyone in Japan who wishes to register and sell a whole elephant tusk must first prove its age through carbon dating.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/japans-new-rules-curbing-ivory-trade-wont-work-many-experts-say
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/national-geographic-news
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/wildlife
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/wildlife-management
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/poaching
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/japan
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/illegal-trade
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/elephant