Art. 11 (4) DGA:

"The provider shall facilitate the exchange of the data in the format in which it receives it from a data subject or the data holder and shall convert the data into specific formats only to enhance interoperability within and across sectors or if requested by the data user or where mandated by Union law or to ensure harmonisation with international or European data standards. The provider shall offer an opt-out possibility regarding those conversions to data subjects or data holders, unless the conversion is mandated by Union law"