6.—(1) For the purpose of these Regulations, a person (P) leaves all eligible employment—
(a)if P is in one eligible employment only, when P leaves that employment; or
(b)if P is in more than one eligible employment, when P leaves all those employments.
(2) For the purpose of these Regulations—
(a)P leaves an eligible employment when P ends a period of non-pensionable family leave, non-pensionable sick leave or unpaid leave in relation to that employment and does not return to that employment; but
(b)P does not leave an eligible employment unless at least one complete day has passed since P's last day in that employment.