Article 48 2.

Where a person receiving invalidity benefits can establish a claim to old-age benefits under the legislation of one or more other Member States, in accordance with Article 50, any institution which is responsible for providing invalidity benefits under the legislation of a Member State shall continue to provide such a person with the invalidity benefits to which he/she is entitled under the legislation it applies until paragraph 1 becomes applicable in respect of that institution, or otherwise for as long as the person concerned satisfies the conditions for such benefits.