A group of Senate Democrats is asking the Federal Communications Commission (FCC) to delay its effort to repeal the Obama-era net neutrality regulations in order to review a trove of recently-released documents related to the proceeding.

The nine senators, led by Sen. Ed Markey Edward (Ed) John MarkeySchumer: 'Nothing is off the table' if GOP moves forward with Ginsburg replacement Democrats see fundraising spike following Ginsburg death Democratic senator calls for eliminating filibuster, expanding Supreme Court if GOP fills vacancy MORE (D-Mass.), wrote to FCC Chairman Ajit Pai asking if the new documents had been taken into account by the agency when deciding to roll back the rules.

“Although the Commission has undertaken an historic proceeding to undo the Open Internet Order, the FCC has failed to provide stakeholders with an opportunity to comment on the tens of thousands of filed complaints that directly shed light on proposed changes to existing net neutrality protections,” the letter reads.

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Pai’s office declined to comment.

Last week, the FCC handed over 70,000 pages of documents in response to a Freedom of Information Act request from the National Hispanic Media Coalition. The group had requested all complaints filed by consumers about violations of the net neutrality rules since they went into effect in 2015.

The net neutrality rules require internet service providers to treat all legal web traffic equally. Pai and other Republicans believe the Obama-era FCC overstepped its authority with the regulations by reclassifying the ISPs as common carriers.

The coalition and the group of Senate Democrats now want more time for the public to be able to review and comment on the complaints. The official deadline for public input on the proceeding expired last month.

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“The public deserves an opportunity to review and analyze evidence that has a direct impact on the proceeding,” the letter reads.