(1) Where a person who is not a participant makes an application under this section and the Authority determines by reference to a date (the "proposed enrolment date") that the person is entitled under subsection (2) to opt in, the Authority shall assign that date as the person's enrolment date.

(2) A person is entitled under this subsection to opt in if on the proposed enrolment date -

(a) the person has reached the age of 18 years and is under pensionable age, and

(b) the person is an employee in employment that is not exempt employment.

(3) Where a participant who has opted out makes an application under this section and the Authority determines by reference to a date (the "proposed re-enrolment date") that the participant is entitled under subsection (4) to opt in, the Authority shall assign that date as the person's re-enrolment date.

(4) A participant is entitled under this subsection to opt in if on the proposed re-enrolment date the participant -