Adjective
(law) Needing no legislation to enforce it.
(computing) Consisting of a complete executable package that takes some action with the included data, rather than a pure data file requiring some additional tool to read it.
Source: en.wiktionary.orgStrive to make proposed solutions as self-executing as possible. As the degree of discretion increases, so too does bureaucracy, delay, and expense. Donald Rumsfeld
As a Directive, it is not a self-executing norm, but a legislative act which requires Member State to achieve a particular result without dictating the means of achieving it. Source: Internet
The BFC (BeFunge Compiler) for Win32 written by Andrew Carter (Uranium-239), simply uses a self-executing stub and modifies the preallocated 80x25 byte matrix inside the stub to execute any given befunge program. Source: Internet
The Belgian constitutional court decided in 1971 that any self-executing treaties have priority over laws by the Belgian parliament. Source: Internet