Postponement of leave
9. For the purposes of paragraph 8, a year is the period of twelve months beginning—
(a)except where sub-paragraph (b) applies, on the date on which the employee first became entitled to take parental leave in respect of the child in question, or
(b)in a case where the employee’s entitlement has been interrupted at the end of a period of continuous employment, on the date on which the employee most recently became entitled to take parental leave in respect of that child,
and each successive period of twelve months beginning on the anniversary of that date.