CHARLOTTE, N.C. -- The NFL will be taking over the investigation into Panthers owner Jerry Richardson, sources tell NBC Charlotte.

The NFL has reportedly retained outside counsel to investigate workplace misconduct allegations against Richardson.

On Friday, the Carolina Panthers said the team was conducting an internal investigation regarding allegations of workplace misconduct against owner Jerry Richardson.

RELATED: Panthers owner Jerry Richardson under investigation for workplace misconduct allegations

The investigation was going to be led by an outside international law firm, Quinn Emanuel Urquhart and Sullivan, LLP, and will be overseen by former House Chief of Staff Erskine Bowles, according to the Panthers.

The Panthers tweeted a statement regarding the allegations:

“The Carolina Panthers and Mr. Richardson take these allegations very seriously and are fully committed to a full investigation and taking appropriate steps to address and remediate any misconduct,” team spokesman Steven Drummond said in a statement.

“The entire organization is fully committed to ensuring a safe, comfortable and diverse work environment where all individuals, regardless of sex, race, color, religion, gender, or sexual identity or orientation, are treated fairly and equally. We have work to do to achieve this goal, but we are going to meet it," Drummond said in a statement.

The Panthers did not specify the allegations against Richardson.