Esecuzione della convenzione postale con la Spagna, sottoscritta a Madrid il 29 settembre 1851

This procedure concerns the formal execution of a postal agreement between Italy and Spain originally signed in Madrid on September 29, 1851. It aims to establish and regulate the rules for exchanging mail and postal services between the two nations. This affects postal administrations and citizens sending mail between Italy and Spain by ensuring a legal framework for cross-border postal delivery.