FROM THE GOECACHING CACHE PLACEMENT GUIDELINES
"Commercial geocaches are disallowed.
Cache listings perceived as commercial will not be published. A commercial cache listing has one or more of the following characteristics:
It has overtones of advertising, marketing or promotion.
It suggests or requires that the finder go inside a business, interact with employees and/or purchase a product or service.
It contains links to businesses, agencies, commercial advertisers, charities, or political or social agendas.
It contains the logo of a business or organization, including non-profit organizations.
It contains the name of a business or commercial product."