The conservative watchdog group Judicial Watch on Thursday released a new trove of emails from Hillary Clinton Hillary Diane Rodham ClintonJoe Biden looks to expand election battleground into Trump country Biden leads Trump by 12 points among Catholic voters: poll The Hill's Campaign Report: Biden goes on offense MORE’s tenure as secretary of State that show Clinton Foundation executive Doug Band lobbying a Clinton aide for a diplomatic passport.

“Need get me/ justy and jd dip passports,” Band wrote to longtime Clinton adviser Huma Abedin. “We had them years ago but they lapsed and we didn’t bother getting them.”

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The identity of Band’s associates were not immediately clear.

Abedin responded favorably in the emails provided.

“Ok will figure it out,” she replied.

The Clinton campaign on Thursday said the request dealt with a humanitarian mission by former President Bill Clinton William (Bill) Jefferson ClintonGOP brushes back charges of hypocrisy in Supreme Court fight Battle lines drawn on precedent in Supreme Court fight Sunday shows - Ruth Bader Ginsburg's death dominates MORE to North Korea, which led to the release of two American journalists imprisoned there.

“Judicial Watch is now attacking State Department officials and the 42nd President of the United States for rescuing two American journalists from North Korea,” said Clinton campaign spokesman Josh Schwerin. “This is a new low even for this right-wing organization that has been going after the Clintons since the 1990s.”

It's unclear whether the request resulted in the acquisition of a diplomatic passport for Band or either associate. The State Department declined to comment on the individual case, citing the Privacy Act, but an official pointed to the standard regulations governing the issuance of diplomatic passports.

“Diplomatic passports are issued to Foreign Service Officers or a person having diplomatic or comparable status because he or she is traveling abroad to carry out diplomatic duties on behalf of the U.S. Government,” the official said.

“Any individuals who do not have this status are not issued Diplomatic passports. Even when issued, Diplomatic passports are only given enough validity to facilitate a bearer’s travel while in such status. After that, the passport expires.

“The staff of former Presidents are not included among those eligible to be issued a Diplomatic passport.”

A separate exchange in the emails released Thursday appears to show former President Bill Clinton requesting that Hillary Clinton, now the Democratic presidential nominee, meet with Dow Chemical CEO Andrew Liveris at a State Department dinner in 2009.

“Wjc wants to be sure hrc sees Andrew Liveris, ceo of dow tomorrow night. Apparently he is head of us china business council. Is he definitely going to be there?” Abedin wrote to State Department scheduler Lona Valmoro.

Valmoro arranged a “brief pull aside on arrival,” according to the emails.

Dow Chemical has given between $1 million and $5 million to the Clinton Foundation.

A series of press reports and emails released by Judicial Watch last month drew attention to the relationship between the Clinton family nonprofit and the State Department during Clinton’s time in office.

Republicans — including GOP presidential nominee Donald Trump Donald John TrumpBubba Wallace to be driver of Michael Jordan, Denny Hamlin NASCAR team Graham: GOP will confirm Trump's Supreme Court nominee before the election Southwest Airlines, unions call for six-month extension of government aid MORE — have alleged that Clinton ran a “pay-for-play” operation, awarding high-dollar donors with special access to the former secretary of State.

The emails have so far been circumstantial, although independent watchdogs have said the arrangement raised serious conflict-of-interest concerns. Clinton has defended the integrity of her practices but acknowledged that there is “a lot of smoke.”

"I know there is a lot of smoke, and there is no fire," she said.

"My work as secretary of State was not influenced by any outside forces. I made policy decisions based on what I thought was right," Clinton said in a phone interview with CNN last week.

--Updated 10:49 a.m.