For the purposes of the operation of the provisions of this Part (and Chapter I of Part XIV) in relation to any employee whose remuneration is, by virtue of any statutory provision, payable to him by a person other than his employer, each of the references to the employer specified in subsection (2) shall be construed as a reference to the person by whom the remuneration is payable.
The references referred to in subsection (1) are the first reference in section 135(1), the third reference in section 140(3), the first reference in section 142(3) and the first reference in section 143(2)(c) and the references in sections 142(2)(b), 143(4) and (5), 149(a) and (b), 150(3), 152(1)(b), 158(4), 162(6), 164 to 169, 170(1) and 214(5).