In particular, “the burden of proof placed on the applicant refers exclusively to the State or States with which he maintains or has maintained significant ties […]. If, in fact, it were to refer to all the States in the world, it would amount to a probatio diabolica, since it concerns an absolutely indeterminate negative fact.”
It is equally well established that, for the recognition of stateless status, a formal act depriving the person of their previous nationality is not required; refusals by national authorities responsible for granting the typical protection afforded to citizens are sufficient.
Project funded by the European Union's Citizens,