Supplementary Provisions [Order of the Ministry of International Trade  and Industry No. 32 of June 1, 1981]  Supplementary Provisions [Order of the Ministry of International Trade  and Industry No. 1 of January 6, 1983]  Supplementary Provisions [Order of the Ministry of International Trade  and Industry No. 39 of July 30, 1983]  Supplementary Provisions [Order of the Ministry of International Trade  and Industry No. 66 of October 28, 1983]  Supplementary Provisions [Order of the Ministry of International Trade  and Industry No. 92 of December 10, 1983]  This Ministerial Order comes into effect as of March 1, 1982; provided, however,  that the provisions listed in the following items come into effect as of the days  listed respectively in those items:  This Ministerial Order comes into effect as of the day of promulgation.  This Ministerial Order comes into effect as of the day of enforcement of the Act  for Partial Revision of Relevant Acts for Facilitating Acquisition of Approval for  Product Types by Foreign Enterprises (Act No. 57 of 1983) (August 1, 1984).  This Ministerial Order comes into effect as of the day of promulgation.  This Ministerial Order comes into effect as of the day of promulgation.  Supplementary Provisions [Order of the Ministry of International Trade  19  (i) the provisions revising the row of "Metal Bats" (limited to those used for  baseball or softball) in Appended Tables 1 and 6, and the provisions revising  the row of "Mountain Climbing Ropes" (limited to those used for supporting  one's body) in Appended Tables 1 and 6: September 1, 1981; and  (ii) the provisions revising the row of "Roller Skates" (limited to those that  have two wheels each attached at the fore and at the back of the skate in  parallel, and excluding those where the maximum length of the part where a  shoe will be strapped is less than 18 centimeters and that uses no bearing in  the wheels) in Appended Tables 1 and 6, and the provisions revising  Appended Table 7: December 1, 1981. 