In the US, all the lotteries are run by states, not the feds. The state has no standing to forgive your taxes due to the federal government. So one would also

In the US, all the lotteries are run by states, not the feds. The state has no standing to forgive your taxes due to the federal government. So one would also have to pay federal income tax on lottery winnings. From there it varies by state. Some states tax the winnings (e.g. New York), others do not (e.g. California) and some states of course do not have income tax at all.