For prize payments over $5,000 taxes will be withheld as follows:
25.0% Federal Tax
8.5% State tax (Maryland residents)
6.75% State Tax (non-Maryland residents)

For information on Lottery prizes and your Maryland tax obligations please visit the websites below: http://individuals.marylandtaxes.com/incometax/estimated/gambling.asp
http://individuals.marylandtaxes.com
http://business.marylandtaxes.com/taxinfo/withholding/gambling.asp

For information on Lottery prizes and Federal tax obligations visit:  http://www.irs.gov/