July 17 is the deadline to register to vote or update voter registration for the Aug. 16 primary election. To register or update registration, visit the Homer City Clerk’s Office or the Division of Motor Vehicles office. Forms also are available at the the Kenai Peninsula Borough Annex. Register or update registration online at elections.alaska.gov. To vote in the Republican Party primary, voters must be registered as Republicans, nonpartisan or undeclared.