California Gov. Gavin Newsom vetoed on Sunday a Senate bill that would have automatically registered millions of eligible voters who had opted out of signing up when conducting business at the Department of Motor Vehicles.

The new law aims to curb conservative efforts in cities like Huntington Beach, where a voter ID requirement was passed in March.

Correction: September 30, 2024 This article has been revised to reflect the following correction: An earlier version of this article misidentified the title of Patrick Hall. He is an assistant professor of decision sciences at George Washington University,