(1) Where a participant makes an application to the Authority under this section in an opt-out window, the Authority shall assign a date as the participant's opt-out date.

(2) Each of the following is an "opt-out window":

(a) the period which is more than 6 months but not more than 8 months after the date on which notice of enrolment is given to the participant under section 50(7);

(b) the period which is more than 6 months but not more than 8 months after the date on which notice of re-enrolment is given to the participant under section 55(3);

(c) the period which is more than 6 months but not more than 8 months after the end of years 1 to 3;

(d) the period which is more than 6 months but not more than 8 months after the end of years 4 to 6;

(e) the period which is more than 6 months but not more than 8 months after the end of years 7 to 9.

(3) In this Part -