This Act comes into effect as of the date specified by Cabinet Order within a period not exceeding one year from the date of promulgation; provided, however, that the provisions amending Article 11, Articles 17 through 20, Article 27, Article 29, Article 30, Articles 36 through 36-3 and Article 39, the provisions adding three Articles after Article 63, the provisions amending Article 74-3 (excluding the part pertaining to Article 71-2, paragraph (2)), the provisions amending Article 81, Article 84, Article 94-9, Article 98, Article 106 and Article 106-2, the provisions amending Article 107 (limited to the part replacing "200,000 yen" with "300,000 yen" and the parts deleting ", Article 17, paragraph (3)" and "verification," in item (i) of that Article), the provisions amending Article 108, the provisions amending Article 109 (excluding the part pertaining to item (vii)), the provisions amending Article 110, and the provisions amending Article 112 (excluding the part pertaining to paragraph (1), item (ii)), and the provisions of Articles 2, 5, 8 through 10 and 12 of the Supplementary Provisions come into effect as of the date specified by Cabinet Order within a period not exceeding six months from the date of promulgation.

A seal, or a motor vehicle registration number plate to which a seal was affixed, that has actually been removed, at the time the provisions amending Article 11, paragraph (4) come into effect, with the permission of the Minister of Transport pursuant to the proviso to Article 11, paragraph (4) of the Road Transport Vehicle Act prior to the amendment by this Act (hereinafter referred to as the "Former Act") is deemed to have been removed on account of an unavoidable reason specified by Order of the Ministry of Transport in the proviso to Article 11, paragraph (4) of the Road Transport Vehicle Act after the amendment by this Act (hereinafter referred to as the "New Act").

With regard to measures that the user of a motor vehicle who received an instruction under Article 53-2, paragraph (1) of the Former Act before this Act comes into effect takes on the basis of that instruction, the provisions then in force continue to govern.

The provisions of Article 69, paragraph (1) of the New Act apply to light motor vehicles subject to inspection and two-wheeled small-sized motor vehicles that come to fall under the grounds set out in item (i) or (ii) of that paragraph on or after the day this Act comes into effect (hereinafter referred to as the "Effective Date"), and with regard to those motor vehicles that came to fall under those grounds before the Effective Date, the provisions then in force continue to govern.

With regard to a disposition of suspension of business or revocation of certification under Article 93 of the New Act against a motor vehicle disassembly maintenance business operator that, at the time this Act (for the amending provisions prescribed in the proviso to Article 1 of the Supplementary Provisions, each of those amending provisions; the same applies hereinafter in this Article and Articles 8 through 10 of the Supplementary Provisions) comes into effect, actually holds certification pursuant to the provisions of Article 78, paragraph (1) of the Former Act, the provisions then in force continue to govern as to grounds that arose before this Act comes into effect.

A safety standards conformity certificate and a safety standards conformity mark issued pursuant to the provisions of Article 94-5, paragraph (1) of the Former Act that are in force at the time this Act comes into effect are deemed, only during their validity period, to be a safety standards conformity certificate and a safety standards conformity mark issued pursuant to the provisions of Article 94-5, paragraph (1) of the New Act; provided, however, that this does not apply to the application of the provisions of Article 7, paragraph (3) (limited to the part pertaining to item (iii)) and Article 94-5, paragraph (5) of the New Act.

With regard to a disposition of suspension of issuance under Article 94-8, paragraph (1) of the New Act, or of revocation of designation, against a designated motor vehicle maintenance business operator that, at the time this Act comes into effect, actually holds designation pursuant to the provisions of Article 94-2, paragraph (1) of the Former Act, the provisions then in force continue to govern as to grounds that arose before this Act comes into effect.

A disposition, procedure or other act carried out before this Act comes into effect under the provisions of the Former Act or orders based thereon, for which the New Act or orders based thereon contain corresponding provisions, is, except for those prescribed in Articles 2 and 6 of the Supplementary Provisions, deemed to have been carried out under the corresponding provisions of the New Act or orders based thereon.

With regard to the application of penal provisions to acts committed before this Act comes into effect and to acts committed after this Act comes into effect in the cases in which the provisions then in force continue to govern pursuant to the provisions of Article 3 of the Supplementary Provisions, the provisions then in force continue to govern.

In addition to what is provided for in Article 2 through the preceding Article of the Supplementary Provisions, the transitional measures necessary in connection with the enforcement of this Act (including transitional measures concerning penal provisions) are specified by Cabinet Order.