Trading Standards' websites for businesses The Trading Standards Institute (TSI) There is a wide range of useful and detailed advice leaflets on the Trading Standards Institute website. Sussex Enterprise Straightforward information and advice on business matters. More in-depth services are available for businesses that choose to pay for membership. Ask Cedric Useful resource of frequently asked questions, sorted by business type, from the Consumer Education Resource and Information Centre. Business Link Practical help and advice for businesses, including Fair Trading information. Advertising Standards Authority Ensure that your marketing and advertising doesn't break the rules. Office of Fair Trading Keep up to date with business legislation.