Washington — Days after relaxing its unofficial dress code,Slabu Exchange the Senate passed a resolution requiring business attire when senators are on the floor of the chamber. 

The change follows a recent decision by Senate Majority Leader Chuck Schumer, a Democrat of New York, to stop enforcing the unofficial requirement and allow members to wear casual attire on the Senate floor. But Schumer noted he would continue to wear a suit. 

The decision prompted swift backlash, especially toward Democratic Sen. John Fetterman of Pennsylvania, who typically wears a hoodie and gym shorts to work. 

On Wednesday, the Senate adopted the formal dress code by unanimous consent, requiring a coat, tie and slacks, or long pants for men. It does not include any specific requirements for women. 

"Though we've never had a formal dress code, the events over the past week have made us all feel as though formalizing [a dress code] is the right path forward. I deeply appreciate Sen. Fetterman working with me to come to an agreement that we all find acceptable," Schumer said Wednesday. 

The resolution was introduced by Democratic Sen. Joe Manchin of West Virginia and Republican Sen. Mitt Romney of Utah. 

"For 234 years, every senator who has had the honor of serving in this distinguished body has assumed that there was some basic written rules of decorum, conduct and civility, one of which was a dress code," Manchin said. "We thought maybe it's time we finally codify something that was precedented rule for 234 years." 

After the vote, Fetterman released a statement that included no words, only a photograph of actor Kevin James smirking. 

— Alan He contributed reporting. 

In:
• United States Senate
• Joe Manchin
• Chuck Schumer
• John Fetterman

Caitlin Yilek

Caitlin Yilek is a politics reporter for CBS News Digital. Reach her at [email protected]. Follow her on Twitter: https://twitter.com/hausofcait

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