The Committees of Advertising Practice (CAP) write and maintain the UK Advertising Codes, which are administered by the Adver ... tising Standards Authority. We also offer the industry authoritative advice and guidance on how to create campaigns that comply with the rules, which are designed to ensure UK advertising is legal, decent, honest and truthful. To stay up to date with the latest from the ASA and CAP, sign up to our regular newsletters on our website: https://www.asa.org.uk/newsletter.html read more