The Fundamental Law of Hungary

Body: 

Article XI (Freedom and Responsibility ) [...] (3) An Act may provide that financial support of higher education studies shall be subject to participation for a specific period in employment or to performing entrepreneurial activities for a specific period, regulated by Hungarian law.
Article XII (Freedom and Responsibility) (1) Everyone shall have the right to choose his or her work, and employment freely and to
engage in entrepreneurial activities. Everyone shall be obliged to contribute to the enrichment of the community through his or her work, in accordance with his or her abilities and potential.
(2) Hungary shall strive to create the conditions that ensure that everyone who is able and willing to work has the opportunity to do so.

Type of law: 
National constitutional law
Charter article: 
Country: 
Hungary