1. Data localisation requirements shall be prohibited, unless they are justified on grounds of public security in compliance with the principle of proportionality.
The first subparagraph of this paragraph is without prejudice to paragraph 3 and to data localisation requirements laid down on the basis of existing Union law.
2. Member States shall immediately communicate to the Commission any draft act which introduces a new data localisation requirement or makes changes to an existing data localisation requirement in accordance with the procedures set out in Articles 5, 6 and 7 of Directive (EU) 2015/1535.
3. By 30 May 2021, Member States shall ensure that any existing data localisation requirement that is laid down in a law, regulation or administrative provision of a general nature and that is not in compliance with paragraph 1 of this Article is repealed.
By 30 May 2021, if a Member State considers that an existing measure containing a data localisation requirement is in compliance w
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