Article 2
General requirements
1.
Any notification or communication submitted under this Regulation shall be provided in an official Union language accepted by both the competent authority of the home Member State and by the competent authority of the host Member State.
It shall be submitted in paper form or, where accepted by the relevant competent authority, by electronic means.
2.
The competent authorities shall make publicly available information on the accepted language(s) and means of submission, including contact details for passport notifications.