The Republican congressional delegation from Arkansas warned the Obama administration on Monday that ObamaCare has so far failed to deliver the number of health insurance options that state officials promised.

"Before the law's implementation, state insurance officials claimed that there would be as many as eight carriers offering coverage in the individual market," they wrote in their letter to Health and Human Services Secretary Kathleen SebeliusKathleen SebeliusJerry Moran: 'I wouldn't be surprised' if Pompeo ran for Senate in Kansas Mark Halperin inks book deal 2020 Democrats fight to claim Obama's mantle on health care MORE. "However, a consumer logging on to the AR Health Connector website will find, at most, four plans offering coverage, while over 60 percent of the state will have no more than two provider options."

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"This is a disappointing, if unsurprising, failure of the reforms promised by ObamaCare, which will mean decreased competition among plans, leading to higher costs, higher premiums, and less consumer choice."

The letter was sent by Sen. John BoozmanJohn Nichols BoozmanVA chief pressed on efforts to prevent veteran suicides McConnell ups pressure on White House to get a budget deal There is a severe physician shortage and it will only worsen MORE (R-Ark.) and all four Arkansas House members, all Republicans: Reps. Rick CrawfordRichard (Rick) CrawfordRepublican Congressman: DNI Nominee committed to declassification transparency The Hill's Morning Report - Attacked repeatedly, Biden fires back Politicians cheer USWNT over defeating England, qualifying for World Cup final MORE, Tim GriffinJohn (Tim) Timothy GriffinFlynn discloses lobbying that may have helped Turkey Tea Party class reassesses record Huckabee's daughter to run '16 campaign MORE, Steve WomackStephen (Steve) Allen WomackLawmakers pay tribute to late Justice Stevens Rubio asks White House to delay B Pentagon contract over Amazon concerns   New CBO report fuels fight over minimum wage MORE and Tom CottonThomas (Tom) Bryant CottonHillicon Valley: GOP lawmakers offer election security measure | FTC Dem worries government is 'captured' by Big Tech | Lawmakers condemn Apple over Hong Kong censorship Lawmakers condemn Apple, Activision Blizzard over censorship of Hong Kong protesters Lawmakers set to host fundraisers focused on Nats' World Series trip MORE.

To better understand how the law is affecting their state, the members asked for all correspondence between Sebelius and Arkansas Department of Insurance on the impact federal rules would have on insurance options. They also asked for all correspondence given to stakeholders about the launch of the website on October 1, and the number "confirmed enrollments" as of October 25.

They asked for this information by November 1, and said if that deadline can't be met, "please immediately contact our offices."

According these members, the average family has been income fall by 9 percent over the last decade, but said ObamaCare's rules will make them pay between 100 to 600 percent more for health insurance.