Swiss National Advisory Commission on Biomedical Ethics, Advance directives - Ethical considerations concerning the new adult protection law, 2001-05, p. 21, art. 1 let. b ([Internet, 2021-08-18](https://www.nek-cne.admin.ch/inhalte/Themen/Stellungnahmen/en/NEK-CNE_Advance_Directives.pdf))