"Proroga al 31 Dicembre 1889 delle facoltà competenti al Collegio arbitrale Silano"

This procedure concerns the extension of the powers of the Silano Arbitration Board until December 31, 1889. It addresses a specific administrative or legal matter requiring a time-limited mandate. The affected parties are those involved in disputes or matters falling under the jurisdiction of the Silano Arbitration Board. The extension ensures continuity in its operations for the specified period.