You should complete and sign the back of your ticket to prove that it belongs to you. You can add Double Play to your Powerball ticket in Nebraska.All prizes above $5,000 will be subject to a five percent state tax.You can enter the same numbers for up to 12 weeks (24 draws) by marking the multi-draw box on your playslip.Tickets can be purchased anytime from 5:00am CT to 3:00am CT the following day, apart from between 9:00pm and 9:03pm on draw nights.You have to be at least 19 years old to buy a ticket.However, once you have chosen your numbers and decided whether or not to add Power Play, there are a few rules specific to Nebraska which may differ to other jurisdictions. The fundamentals of playing Powerball are the same in Nebraska as in every other state.