(Designing or Work Supervision not to be Conducted by Person other than First or Second Class Architects)
Article 3-(2). In cases where a building which is other than those coming under any one of the items enumerated in paragraph 1 of the preceding Article, and which comes under the categories enumerated below, is constructed, no person other than a first or second class architect shall conduct the designing or work supervision thereof:
(1) Any building or a part thereof of such construction as mentioned in paragraph 1 item (2) of the preceding Article, with a total floor area exceeding 30 square meters;
(2) Any building which has a total floor area exceeding 150 square meters or which is three or more storied.
2 The provision of paragraph 2 of the preceding Article shall apply mutatis mutandis to the case as mentioned in the preceding paragraph.
3 In cases where To, Do, Fu or prefecture deems it necessary according to the condition of the land, it may, regardless of the provision of paragraph 1, prescribe separately by by-law the total floor area provided for in the items of the same paragraph, putting a restriction on a district or on use of a building.