A joint marketing agreement is a legal contract that governs the relationship between two or more companies to collaborate in advertising, promotion and sales. The parties agree to cooperatively develop and implement such joint advertising and marketing programs for the Casinos as they may mutually agree upon.Customer Service is available Monday thru Friday, a.m. General Partnerships are not required to file formation documents with the Secretary of State's office. Find joint marketing agreement lawyers for Nevada to hire. No cost to post a project to get multiple bids in hours to compare before hiring. This notice and the text of the proposed regulation are also available in the State of.