Key Information Documents (KIDs) became law in April 2020.  Crawford Temple spells out what a contractor should be looking for in a KID, and what to check to ensure that recruiters and, where appropriate, umbrella companies are getting the documents all right.

https://www.contractoruk.com/successful_contracting/one_thing_wont_change_2022_contractors_must_check_kids_are_alright.html