For sections 127(3A) and (4) of the Principal Act substitute —
"(4) In subsection (3), "employer "includes a person who, at any time after the date which is 3 years immediately preceding the transport accident (including after the transport accident)—
(a) is an employer of the person who is injured or dies in the transport accident;
(b) enters into an arrangement with a person who is injured or dies in the transport accident, or a person acting on their behalf, for the undertaking of work by the person at a particular time and place, whether or not the arrangement—
(i) is an enforceable contract; or
(ii) provides for any reward for work done; or
(iii) specifies that the person is an employee or otherwise;
(c) acts on behalf of a person who is injured or dies in the transport accident in relation to entering into an agreement specified in paragraph (b).".