What's New 2014.7.01. Guide to the Business Japanese Proficiency Test November 2014 The Business Japanese Proficiency Test is a test to measure your proficiency in communicating in the Japanese language required in business settings. 1. Test Date: November 16 (Sunday), 2014 2. Test Fee: 7,000 yen 3. Application Period: July 1 (Tue) to October 10 (Fri), 2014. You can also find further information at http://www.kanken.or.jp/bjt/english/