Updated

The State Department on Monday would not rule out giving Iran up to $50 billion as a so-called "signing bonus" for agreeing to a nuclear deal later this year, according to comments made to journalists following reports that the Obama administration had formulated a plan to release tens of billions of frozen Iranian funds.

Experts have said this multi-billion dollar "signing bonus" option, which was first reported by the Wall Street Journal, could be the largest cash infusion to a terror-backing regime in recent memory.

A cash release of $30 to $50 billion upon reaching a final nuclear agreement would come in addition to the more than $11 billion in unfrozen assets that Iran will already have received under an interim nuclear accord reached in 2013.

When asked to address these reports on Monday, State Department Spokeswoman Marie Harf attempted to dodge the issue and then accused reporters of getting "spun up" on the issue.

Asked whether Iran could receive $50 billion "on day one after signing" or verbally agreeing to a nuclear deal, Harf told reporters that she would "look into it."

When pressed to provide an answer about the Journal's initial report, Harf declined "to go line by line in the story."

Harf said sanctions relief to Iran will continue through June 30.

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