GR-6.2.1
An 
(a) U is a parent undertaking  of L;
(b) U is a subsidiary undertaking  of L;
(c) U is a subsidiary undertaking  of a parent undertaking  of L;
(d) U, or any other subsidiary undertaking of its parent, owns or controls 20% or more of the voting rights or capital of L; or
(e) L, any of its parent or subsidiary undertakings, or any of the subsidiary undertakings of its parent, owns or controls 20% or more of the voting rights or capital of U.
Amended: July 2007
 
  
        