18.1 Exploitation of Goodwill
Advertisements should not exploit the goodwill attached to the trade name or mark of another advertiser, or the advertisers campaign, in any fashion which may unfairly prejudice the original advertisers interest.
18.2 Disparaging References
No advertisement should directly or by implication disparage the products, medicines or treatments of another advertiser or manufacturer, or registered medical practitioner or the medical profession.
18.3 Money‑Back Offers
No advertisement should offer to refund money paid.