Hunter Biden's plea deal encountered complications during his first court appearance, leading him to plead "not guilty" to the charges.

During the court proceedings, it was revealed that Biden had failed to pay between $1.1 million and $1.5 million in federal taxes before the legal deadlines. He was initially expected to plead guilty to two tax charges, with prosecutors agreeing to recommend a probation sentence, CNN reports.

However, the original plea deal encountered issues. District Judge Maryellen Noreika expressed concerns about linking the tax plea agreement to resolving a separate felony gun charge.

The judge also questioned the constitutionality of the plea deal.

Amid negotiations, a revised agreement was reached. Biden agreed to plead guilty only to the two tax charges, with no connection to other charges.

Both sides agreed that this deal would not protect him from potential future charges.

Despite the changes, the judge remained unsatisfied and raised concerns about the possibility of constitutional issues. Ultimately, Hunter Biden entered a not-guilty plea, and the legal proceedings will continue as the investigation into his tax matters and other potential charges continues.

The court will further assess the case to ensure that due process is followed and constitutional rights are upheld.

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White House Delivers Statement Following Hunter Biden Plea Deal

White House press secretary Karine Jean-Pierre addressed the developments in the Hunter Biden case during the daily briefing. She emphasized that Hunter is a private citizen and that the case is a personal matter for him, according to Fox News.

She also said that President Joe Biden and the first lady continue to support their son as he works to rebuild his life.

Jean-Pierre stated that the Justice Department handled the case independently, under the leadership of a prosecutor appointed by former President Trump.

She referred any further inquiries to the Department of Justice and Hunter Biden's legal team, who can address specific questions.

Hunter Biden Gets 'Sweetheart' Deal, According to Republicans

The collapse of the plea deal in the Hunter Biden case was an unexpected turn in the yearslong investigation.

The resolution, which had been extensively negotiated between the Justice Department prosecutors and Biden's attorneys, aimed to avoid a lengthy trial and the potential for distracting media coverage.

However, the politics surrounding the case remain contentious, with Republicans criticizing the plea deal and alleging that Hunter Biden received a "sweetheart deal," AP noted.

Meanwhile, the Justice Department continues to investigate former President Trump, the front-runner for the GOP's 2024 presidential primary, in various matters.

Trump faces legal challenges, including a state criminal case in New York and a federal indictment in Florida.

Recent developments suggest that new federal charges could be brought against him for his actions after the 2020 election.

Republicans argue that there is a double standard, where the president's son is perceived to have received leniency while Trump faces scrutiny and criticism.

Congressional Republicans are investigating various aspects of Hunter Biden's business dealings, including foreign payments.

In response to the collapse of the plea deal, House Oversight Committee Chairman Rep. James Comer expressed dissatisfaction with the proposed agreement, suggesting that it favored Hunter Biden unfairly.

"But let's be clear: Hunter's sweetheart plea deal belongs in the trash," he said.

READ MORE: Hunter Biden Net Worth 

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Written by: Bert Hoover

WATCH: Hunter Biden pleads not guilty after plea deal falls apart - From CBS News