From Longman Dictionary of Contemporary Englishnon-bindingˌnon-ˈbinding adjective a non-binding agreement or decision does not have to be obeyed The industry has signed a non-binding agreement to reduce pollution.
Examples from the Corpus
non-binding• There would have been no contract but a non-binding domestic arrangement.• The law allows the president to appoint a three-member presidential emergency board to examine the contract dispute and produce non-binding recommendations.• Although formally non-binding the impact of such instruments upon the development of international law can not be ignored. 