16.—(1) Article 16 (trade disputes) is amended as follows.
(2) In paragraph (1), at the beginning insert “Except in prescribed circumstances,”.
(3) In paragraph (2), at the beginning insert “Except in prescribed circumstances,”.
(4) After paragraph (2) insert—
“(2A) Paragraphs (1) and (2) do not apply to a person who is a member of a couple unless the other member of the couple is a person to whom either of those paragraphs apply (but see instead the provision made by Article 17).”.