Spyware, malware viruses, ActiveX etc. results in removal of the ad.
Non-functional, deceptive or misleading elements or content not allowed.
Ads cannot appear as if they are actually content or links on a publisher’s site. It must be distinguished from content.
Exact offer in the creative must be actionable on the landing page (example: if 15% off is offered in the creative, 15% exactly must be advertised on the landing page),
Non-US landing pages are okay, but any prices shown in creatives must be in the advertiser country's currency
Windows Live currently only accepts creatives in English and Windows Live Latino only accepts creatives in English and Spanish.
Content restrictions: Banners of RTB campaigns must not have any sensitive information from these categories: politics, dating, religion, video games (casual & online), ringtones & downloadables, get-rich-quick, weight loss, cosmetic procedures & body modification, drugs & supplements, sexual & reproductive health, consumer loans, free gifts, quizzes & surveys, misleading claims, references to sex & sexuality. Prohibited content also includes tobacco/weapons, nudity, defamatory/hate content, illegal activities, profanities, exploitation (includes international dating etc.), spyware, extra-specific targeting, fake operating system interface, gambling; children's content is prohibited from prompting personally identifiable information (P.I.I.), political creatives cannot use “hot-button issues”, web-based colleges must be accredited. No potential brand competitors, no misappropriation of logos or brand.
Compliance with AdChoices program, if applicable (for Microsoft AdExchange).
Competitive Exclusion not allowed (which includes Publisher Specified Requirements or covers other Publisher filtering).