UniCredit SpA has hired Deloitte LLP to advise Italy’s second-biggest bank on its takeover bid for Banco BPM SpA, people familiar with the matter said.

The Italian Treasury has denied a report that it is drafting an emergency decree to counter UniCredit’s (OTCPK:UNCFF)(OTCPK:UNCRY) 10B euro ($10.6B) bid for Banco BPM, Reuters reported late Friday. UniCredit made the offer for the smaller rival on Monday,

Italy's UniCredit on Monday launched a surprise 10 billion euro ($11 billion) bid for domestic peer Banco BPM , which CEO Andrea Orcel said would take precedence over any potential move on Germany's Commerzbank .

Banco BPM SpA said the takeover bid it has received from UniCredit SpA wasn’t agreed in advance and isn’t in line with its performance.

Banco BPM gathers its board on Tuesday for an initial discussion on the 10 billion euro ($10.5 billion) unsolicited takeover offer that rival UniCredit has launched for Italy's third-largest

UniCredit's bid for BPM also throws a spanner in the works for Italy's government, which had advanced plans for a merger of BPM with rival Monte dei Paschi di Siena which it saw as strengthening its banking sector without harming competition.

Italian lender UniCredit says its offer for domestic rival Banco BPM is separate from its pursuit of German bank Commerzbank.