•   This Part adjusts entitlements in the following situations:

  (a)   a pro - rata adjustment where a member retires during a year;

  (b)   a pro - rata adjustment where a person becomes the spouse or   de   facto   partner of a retired former Prime Minister during a year;

  (c)   a pro - rata adjustment where the maximum term of a Parliamentary Retirement Travel Entitlement under subsection   4C(6) or (7) will end during a year.