(1)  Persons of a prescribed class who voluntarily perform work of a prescribed class which is of benefit to the State are taken to be workers employed by the Crown.

(2)  For the purpose of assessing the compensation payable to or in respect of a person to whom subsection (1) applies, the normal weekly earnings of that person are –

(a) if the person was working under a contract of service with any person immediately before voluntarily performing work of the prescribed class, to be computed according to the person's earnings under that contract; and

(b) if the person was not working under a contract of service immediately before voluntarily performing work of the prescribed class, to be the basic salary.