The "Use Classes Order 1987 - Quick Reference Guide" document has been updated to incorporate the amendments to Parts 3 and 4 of the GPDO made by SI 2019 No. 907 on 25/05/2019. This document is available via the above page of the website, or via the following (direct) link:
- Use Classes Order 1987 - Quick Reference Guide
(PDF document, opens in a new window).