The White House has denied that President Donald Trump's financial records had been subpoenaed from Deutsche Bank by the special prosecutor examining allegations of Russian election meddling.
Mr Mueller is investigating alleged Russian attempts to influence the election, and potential collusion by Trump aides.
Mr Mueller is investigating claims of collusion between Mr Trump and Russian Federation.
Deutsche Bank management is ready to share information about the lender's dealings with Trump and is hopeful that doing so will help end the series of inquiries from Democrats, an executive at the bank, who asked not to be identified discussing private deliberations, has previously told Bloomberg News. "We have confirmed this with the bank and other sources", Dowd wrote in an email.
President Donald Trump's personal lawyer John Dowd disputed that account, saying he had been told by Deutsche Bank that no such subpoena had been issued.More news: Amazon Prime Launches In Singapore, Subscription Starts From $2.99/Month
Before Trump became president, the bank loaned the Trump Organization hundreds of millions of dollars for various real estate projects.
President Trump was told by a high-ranked White House lawyer that then-national security adviser "Michael Flynn had misled the Federal Bureau of Investigation and lied to Vice President Mike Pence and should be fired", according to a story reported by CNN.
The Trump International Hotel is shown on August 10, 2017 in Washington.
A USA official with knowledge of Mr Mueller's probe said one reason for the subpoenas was to find out whether Deutsche Bank may have sold some of Mr Trump's mortgage or other loans to Russian state development bank VEB or other Russian banks that now are under U.S. and European Union sanctions.
In January, Deutsche Bank agreed to pay US$630 million in fines for organising US$10 billion in sham trades that could have been used to launder money out of Russian Federation. "Then Justice claimed that providing House investigators with classified material could hurt security or sources".
As of Tuesday morning, neither the White House or Trump had commented on the report.