(iii) not to use the agricultural chemicals diluted less than the minimum  dilution prescribed in Article 14, paragraph (2), item (ii) of the Regulation for  Enforcement of the Agricultural Chemicals Regulation Act (Order of the  Ministry of Agriculture and Forestry No. 21 of 1951; hereinafter referred to  as the "Regulation");  (iv) not to use the agricultural chemicals for a time other than the time of use  prescribed in Article 14, paragraph (2), item (iii) of the Regulation;  (v) during the growing period prescribed in Article 14, paragraph (2), item (iv)  of the Regulation, not to use the agricultural chemicals in excess of the  number of times set forth in the following (a) or (b):  (a) when edible crops, etc. are produced using the seeds and seedlings with  the indication of the number of times of using each type of active  ingredient contained in used agricultural chemicals prescribed in Article  23, paragraph (3), item (i) of the Regulation for Enforcement of the Plant  Variety Protection and Seed Act (Order of Ministry of Agriculture, Forestry  and Fisheries No. 83 of 1998), the number of times calculated by deducting  that indicated number of times of use from the total number of times of  using each type of contained active ingredient prescribed in Article 14,  paragraph (2), item (v) of the Regulation; or  (b) in cases other than those prescribed in (a), the total number of times of  using each type of contained active ingredient prescribed in Article 14,  paragraph (2), item (v) of the Regulation.  (2) Agricultural chemical users must endeavor to use agricultural chemicals  safely and properly in accordance with the matters set forth in Article 16,  items (iv), (vi) (limited to the part concerning damage prevention measures),  (ix), and (xi) of the Agricultural Chemicals Regulation Act.  Article 3 An agricultural chemical user (other than a person that uses  agricultural chemicals through fumigation on crops, etc. grown by oneself)  must, when intending to use agricultural chemicals through fumigation,  submit an agricultural chemical use plan stating the following matters to the  Minister of Agriculture, Forestry and Fisheries by the first day on which the  user intends to use them each fiscal year; the same applies when the user  intends to modify the plan:  (i) name and address of the agricultural chemical user; and  (ii) plan to use agricultural chemicals through fumigation for the relevant  fiscal year.  Article 4 (1) An agricultural chemical user must, when intending to use  (Use of Agricultural Chemicals through Fumigation)  (Use of Agricultural Chemicals from Aircraft)  2 