Yep - the web link states that "There are different rules for Scotland and different rules for Northern Ireland." and provides links to those sites.
The find was in Yorkshire, so the UK law applies.
So, we're not in the UK?

Take that up with the GOV.UK website. I was just providing information to someone who asked for it.
There is a 'report a problem' tab at the bottom of the GOV.UK webpage.