It can also be defined as an organization set up by a government to regulate the buying and selling of a certain commodity within a specified area.
They most commonly exist to help sell farm products such as milk, eggs, beef or tripe and are funded by the farmers or processors of those crops or products.
Marketing boards often also receive funding from governments as an agricultural subsidy.
Marketing boards also sometimes act as a pool, controlling the price of farm products by forming a legal cartel.
Industry trade groups might also advertise directly to consumers.