When Europe announced its latest health check of top banks early last year it promised a "comprehensive assessment" of how well prepared they were to withstand another financial crisis.
The European Union had switched the burden to aid troubled banks from taxpayers to shareholders, big depositors and bondholders, said a Reuters report.
An agreement was made between EU Commission and bank officials for a capital hike for the world's oldest bank.
A document seen by Reuters showed that Italian prosecutors are investigating JPMorgan in relation to their probe of Monte dei Paschi.
In an attempt to lure investors, Monte dei Paschi removed the bylaw stating that other investors will own no more than 4% of total shares