It's a formel agreement Be tween agricultural Producer and Buyer

in Algeria contract farming encouraged as a part of agrecultural development policies, it's also contract farming agreement are governed by general contract law provision(civil code) in(article 54)

as they do not constitute commercial acts.

because by theire nature as a civil contracts related to land exploitation, they do not deal with subjects subject to speculation or commercial trading, except if one of their parties is a marchant or when the activity is carried out in the form of an entrepprise.