Article 2 Persons covered

This Regulation applies to the following persons:

1. (a)

   nationals of a Member State, stateless persons and refugees who are or have been subject to the legislation of one or more Member States and who are or have been in a situation involving the United Kingdom before the date of application of this Regulation, as well as members of their families and survivors;

2. (b)

   nationals of the United Kingdom who are or have been subject to the legislation of one or more Member States before the date of application of this Regulation, as well as members of their families and survivors.