Let's pretend that the church was allowed to intervene in matters of legislation which dictate who can own what, spend what and save what. (relevantmagazine.com)
This states categorically that: «nothing contained in the present Charter shall authorize the United Nations to intervene in matters which are essentially within the domestic jurisdiction of any state.» (blog.politics.ox.ac.uk)
The principle concerning the duty not to intervene in matters within the domestic jurisdiction of any State... (politics.stackexchange.com)