New or changed services need to be accepted before being implemented into the live environment.
What shall be done after a new or changed service has been implemented?

A.
A Post Implementation Review (PIR) is held comparing actual outcomes against those planned.

B.
An approach needs to be defined for interfacing to projects that are creating or modifying
services.

C.
Nothing additional: the new or changed service goes into Business As Usual and will be managed
as a normal service.

D.
The manner in which the Change shall be reversed or remedied if unsuccessful needs to be
defined.

Explanation:

A) Correct. This clause is part of the standard.
B) Incorrect. This is part of Plan Service Management (Plan), and not relevant after new or changed
services have been implemented.
C) Incorrect. According to the standard a PIR is a necessity. Doing nothing additional is no option.
D) Incorrect. This clause is part of Change Management. And this should already be in place or
defined before implementing.