When external intervention replaces a regime, standard constitutional succession often fails because the existing legal framework is tied to the ousted authority. In such scenarios, international law moves from theory to practice through several messy channels. The most common tool is the principle of ex injuria jus non oritur, which dictates that legal rights cannot arise from illegal acts. However, the practical reality usually relies on United Nations resolutions or regional compacts like the Inter-American Democratic Charter.
Temporary governance often falls to a transitional council or an interim administration sanctioned by a coalition of states. These bodies rely on