(CNN) - President Barack Obama's campaign wasted no time Thursday jumping on a report about Mitt Romney limiting certain disclosures of his financial investments. And Mitt Romney's campaign was equally quick to fire back.
Using the president's Twitter account, as well as accounts from top campaign staff, Obama's re-election team pushed a story by the Washington Post, even starting the Twitter hashtag: #WhatsRomneyHiding.
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"So what's Romney hiding?" the president's Twitter account (@BarackObama) read Thursday night, urging followers to demand that Romney release more years of his tax returns.
Romney's team, however, blasted Obama's campaign for launching the attack.
"President Obama will do anything to try and distract Americans from his failed record of chronic unemployment, lower incomes and higher gas prices," Romney spokeswoman Andrea Saul said in a statement to CNN.
The Washington Post reported Thursday Romney used an "obscure exemption in federal ethics law" that allows him to avoid revealing the full extent of his holdings in financial disclosures.
According to the Post, Romney took advantage of the loophole for 48 accounts at Bain Capital, the candidate's former private equity firm. By giving narrow descriptions of his holdings, Romney is permitted from fully disclosing the company's underlying assets, the Post reported.
"Romney has made it difficult to know precisely where his money is invested, whether it is offshore or in controversial companies, or whether those holdings could affect his policies or present any conflicts of interest," the article stated.
The newspaper noted, however, that Romney is not violating any rules and that his advisers have certified his financial documents with the Office of Government Ethics.
But that didn't stop Obama's campaign from using it as another way to paint the former Massachusetts governor as an out-of-touch businessman seeking to hide his true wealth.
"Mitt Romney has put his personal financial assets in a black box and hid the key, attempting to play by a different set of rules than any candidate in recent history," Jim Messina, Obama's campaign manager, said in a statement.
The campaign has previously attacked Romney for not releasing more tax returns than the ones he released in January, which only included returns from the years 2010 and 2011.
Romney spokeswoman, Saul, said the candidate's disclosures "completely and accurately describes Governor Romney's assets as required by the law applicable to candidates for president. If (the Office of Government Ethics) had at any point considered any part of the filing insufficient, it would have made this clear."