When canon law was codified into the 1917 Code of Canon Law, these existing prohibitions were preserved in the code, especially in Can 2335.
In 1983, he issued the Declaration on Masonic Associations which drew on Clarification concerning status of Catholics becoming Freemasons (itself issued by the Congregation 9 months before his becoming its prefect).
Declaration of Independence | United States Declaration of Independence | Masonic Lodge | Anti-Masonic Party | Universal Declaration of Human Rights | National Federation of State High School Associations | Declaration of Pillnitz | Christian Associations of Italian Workers | International Federation of Library Associations and Institutions | Balfour Declaration | Potsdam Declaration | Philippine Declaration of Independence | Masonic lodge | Albanian Declaration of Independence | masonic lodge | Royal Masonic School | Joint Declaration | Israeli Declaration of Independence | European Federation of Psychologists' Associations | Declaration on the Rights of Indigenous Peoples | declaration of independence | Balfour Declaration of 1926 | Virginia Declaration of Rights | Regular Masonic jurisdictions | National Union of Conservative and Unionist Associations | Masonic Temple | Masonic Lodge Officers | Masonic Home Independent School District | Limehouse Declaration | International Federation of Associations of Anatomists |