1. By way of derogation from point (a) of Article 18(1), the competent authorities of the Member States may authorise the provision of services incidental to mining and the provision of services incidental to manufacturing in the chemical, mining and refining industries, insofar as such services are intended to be used exclusively for development purposes that directly address the needs of the civilian population or the promotion of denuclearisation.

2. In cases not covered by Article 18(3), and by way of derogation from point (b) of Article 18(1), the competent authorities of the Member States may authorise the provision of computer and related services, insofar as those services are intended to be used exclusively for development purposes that directly address the needs of the civilian population or the promotion of denuclearisation.