CONCORD, N.H. — Gov. Maggie Hassan vetoed legislation Friday that would have required people to live in New Hampshire for 30 days before voting here.

“The constitutional right of all citizens to vote is the most fundamental right of our democracy, and we must always be working to ensure that people who are legally domiciled in New Hampshire are not blocked from voting,” Hassan said in a statement.

If the bill became law, someone who moved to the state in August could be prevented from voting in the September primary. New Hampshire allows voters to register on Election Day, which Hassan said eliminates an administrative need for a residency requirement.

Supporters of the 30-day requirement say it cuts down on voter fraud, and Secretary of State Bill Gardner backed the bill, which was sponsored by Republican Sen. Sharon Carson.

Hassan also vetoed a bill Friday that would have banned welfare recipients from using their cash benefits to buy alcohol, lottery tickets, firearms, tobacco products, adult entertainment or for gambling.

Opponents of the bill said it would be unenforceable and cause cashiers to discriminate against people who look like they could receive welfare benefits.