: A major update in this edition is the integration of the latest international standard for escalators ( EN115-1:2017 ), which was adjusted to fit Hong Kong's specific local environment and requirements.

Following several high-profile escalator incidents in Hong Kong, the 2021 Code places a heavy emphasis on structural integrity and monitoring:

: Circular No. 1/2022 details the adoption of the international EN115-1:2017 standard for escalators.