Following completion of the installation the system will require
testing. The vendor staff should do this. The tests must cover
all aspects of the system and its connected equipment with
particular attention to the features of special interest to
the customer. Mistakes and failures found can be corrected
here before the customer discovers them.
The sale is completed when the customer accepts and pays for
If there are outstanding problems that have not been resolved
from the installation or changes have been made to the original
agreed specification they must be documented and explained
to the customer.
Those variations that are unacceptable will require a plan
to be developed with a definite timescale for resolving them.
This will require agreement between the vendor and the customer.
In most cases there will be little problem with the installation
of the system. As part of the handover process it is courteous
to demonstrate the key system features as working to the customer,
further building their confidence.
The final stage is for the customer to formally accept the
system and sign for it as meeting the agreed specification,
a copy if which should be attached, and copies kept by the
vendor and customer. This will prevent future argument over
what was covered if the customer requirements change.