Article 50Making available on the market or entry into service of components and separate technical units
1.Components and separate technical units, including those intended for the aftermarket, may only be made available on the market or entered into service if they comply with the requirements of the relevant regulatory acts listed in Annex II and are marked in accordance with Article 38.
2.Paragraph 1 shall not apply to components or separate technical units that are specifically constructed or designed for vehicles that are not covered by this Regulation.
3.Member States may permit the making available on the market or the entry into service of components and separate technical units that are exempted under Article 39 or that are to be used on vehicles covered by approvals granted under Article 41, 42, 44 and 45 concerning the component or separate technical unit in question.
4.Member States may also permit the making available on the market or the entry into service of components and separate technical units to be used on vehicles that were not required to be type-approved under this Regulation or under Directive 2007/46/EC at the time those vehicles were made available on the market, were registered, or entered into service.
5.Member States may also permit the making available on the market or the entry into service of replacement components and separate technical units to be used on vehicles to which type-approval was granted before the entry into force of the requirements of the relevant regulatory acts listed in Annex II, in accordance with the requirements of the relevant act that applied when those type-approvals were originally granted.