An Advertisement Agreement is a formal contract between an advertiser and a publisher or media outlet for the purpose of distributing advertisements. The agreement outlines the details of the advertisement, such as the type of advertisement, the duration of the advertisement, the cost, payment terms, and any applicable restrictions. The agreement also specifies the rights and responsibilities of both parties involved. Depending on the type of advertisement, different types of Advertisement Agreements may exist. The most common type of Advertisement Agreement is a media buying agreement, which outlines the terms of the purchase of a particular advertisement or series of advertisements. Other types of Advertisement Agreements include outdoor advertising agreements, broadcast advertising agreements, and digital advertising agreements.