https://www.gov.uk/government/publications/independent-schools-warning-notices
Independent schools: warning notices and enforcement letters - GOV.UK
Schools currently failing to meet the independent school standards.
independent schoolswarning noticesenforcementlettersuk
https://api.parliament.uk/historic-hansard/written-answers/1943/feb/16/firing-practice-warning-notices-wales
Firing Practice (Warning Notices, Wales) (Hansard, 16 February 1943)
Firing Practice (Warning Notices, Wales) (Hansard, 16 February 1943)
warning noticesfiringpracticewaleshansard
https://www.gov.uk/hmrc-internal-manuals/tax-free-childcare-technical-manual/tfc45300
TFC45300 - Power to obtain information or documents (information notices): warning notices - HMRC...
powerobtaininformationdocumentsnotices