Clinton, Kaine to release tax returns to pressure Trump: report
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Democratic presidential nominee Hillary ClintonHillary Diane Rodham ClintonWoman behind pro-Trump Facebook page denies being influenced by Russians Trump: CNN, MSNBC 'got scammed' into covering Russian-organized rally Pennsylvania Democrats set to win big with new district map MORE and her running mate, Sen. Tim KaineTimothy (Tim) Michael KaineSave lives, restore congressional respect by strengthening opioids’ seizure Overnight Finance: Lawmakers, Treasury look to close tax law loopholes | Trump says he backs gas tax hike | Markets rise despite higher inflation | Fannie Mae asks for .7B Bipartisan Senate group says they have immigration deal MORE (D-Va.), will release a batch of tax returns in an effort to pressure Donald TrumpDonald John TrumpAccuser says Trump should be afraid of the truth Woman behind pro-Trump Facebook page denies being influenced by Russians Shulkin says he has White House approval to root out 'subversion' at VA MORE into releasing his, CNBC reported Thursday morning. 

Clinton will release her 2015 returns this week, while Kaine is expected to release 10 years of tax returns, the report said. 

The returns will show Clinton's effective tax rate around 35 percent and her charitable donations making up 10 percent, according to CNBC. 

Clinton also released eight years of returns — covering 2007 to 2014 — earlier in the campaign. Returns for Clinton and her husband, former President Bill ClintonWilliam (Bill) Jefferson ClintonShould the Rob Porter outcome set the standard? Make the compromise: Ending chain migration is a small price to legalize Dreamers Assessing Trump's impeachment odds through a historic lens MORE, are now public dating back to 1977 because of the couple's extensive political careers.

Trump, meanwhile, has said he won't release his tax returns because they are under audit by the IRS. 

The IRS has said Trump can still release the returns despite an audit. 

He would be the first presidential nominee in 40 years not to release his income tax returns. 

Trump's campaign chief, Paul Manafort, has said Trump likely won't release his tax returns before the election in November.