substitute
(2) A person who is registered as a mental health nurse, midwife or nurse practitioner ceases to be registered—
(a) if the board gives the person written notice that the person's registration as a mental health nurse, midwife or nurse practitioner, or as a general nurse, has been cancelled under this Act; or
(b) if the registration is conditional and the period of registration is stated in a condition—when the period ends.