Bilateral Relations — Key Changes

Entry	Year	Description	Impact
42nd Amendment	1976	Added 'International Treaties and Agreements' to the Concurrent List (List III) of the Seventh Schedule, allowing both Union and State governments to implement international agreements within their respective jurisdictions. This amendment clarified the implementation mechanism for international treaties affecting state subjects.	Enhanced cooperative federalism in implementing international agreements while maintaining Union government's exclusive treaty-making power, enabling more effective implementation of bilateral agreements affecting state subjects like environment, education, and local governance.