Retirement tax questions

Yes, it is for 2022.  I am not sure of their tax exemption status.  They are a local volunteer Fire Department.  All of their raffle literature indicated winners were responsible for all taxes for prizes over $5000.  I just assumed paid the IRS vs. the Payer (raffle organization).

 

On a related note.  The IRS website says the tax withheld for winnings is 24% not 25%.  Can you confirm?  In my case, the Payer withheld exactly 25%.

Any issues for me paying in more taxes than required???