What was the Jewish tax that Vespasian redirected to Rome’s treasury?

Vespasian redirected the tax that Jews of the Diaspora had previously paid to the Temple at Jerusalem to Rome’s treasury.1

This measure was part of a broader financial program implemented by the emperor to restore the state's stability following the significant deficits incurred during the reign of Nero and the devastation caused by civil wars. While these fiscal actions were essential for economic recovery and funded major public works—such as the construction of the Colosseum and the restoration of the capitol—they also led to contemporary criticisms of the emperor's perceived avarice.1