The Lifts Regulations 2016

[F17.  The manufacturer shall inform the approved body that holds the technical documentation relating to the Type examination certificate of any modification to the approved type that may affect the conformity of the safety component for lifts with the conditions referred to in point 1 or the conditions of validity of the Type examination certificate.E+W+S

The approved body shall examine the modification and inform the applicant whether the Type examination certificate remains valid or whether further examinations, verifications or tests are needed. As appropriate, the approved body shall issue an addition to the original Type examination certificate or ask for a new application for a type examination to be submitted.]