Employment Protection (Consolidation) Act 1978

3 (1) If there is no personal representative of a deceased employee, tribunal proceedings arising under any of the relevant provisions (or proceedings to enforce a tribunal award made in any such proceedings) may be instituted or continued on behalf of the estate of the deceased employee by such other person as the industrial tribunal may appoint being either—

(a) a person authorised by the employee to act in connection with the proceedings before the employee’s death; or

(b) the widower, widow, child, father, mother, brother or sister of the deceased employee,

and references in this Schedule to a personal representative shall be construed as including such a person.

(2) In such a case any award made by the industrial tribunal shall be in such terms and shall be enforceable in such manner as may be provided by regulations made by the Secretary of State.