You'll find all the info on the RID section in the CAA website. If you log into your user account: you'll also find out what your unique RID 'number' is (even though it's primarily an alpha-string). There is a hidden suffix that is your private...
In the UK: RID is introduced in two stages. New models and in production drones manufactured and sold after 01.01.26 should have the relevant UK class mark and will be RID ready. Drones made and sold before that date come under the classification...
I suggest you take a close look at the updated UK RID regulations coming into force Jan 2026, while you're at it: work through the EU papers from the last three years - one of the cornerstones of the new EU/UK drone policy is a secondary...
If you're having trouble finding one: you can custom cut your own (something I did).
https://www.amazon.co.uk/dp/B0F6CJKMYT/ref=sspa_mw_detail_1?ie=UTF8&psc=1&sp_csd=d2lkZ2V0TmFtZT1zcF9waG9uZV9kZXRhaWw&aref=3IZgbgj02r&sp_cr=ZAZ
Word to the wise... invest in a battery strap to ensure the battery and airframe can't part company in mid flight. This is the Achilles heel of both Mavic models (original and Mavic 2 series), as well as the Air series (up to Air2S).
And if at...