Registered Bethany and Woodbridge voters may participate in the municipal elections set for 6 a.m.-8 p.m. May 1.

In Bethany, the Republican slate is topped by John F. Grabowski, who is challenging First Selectman Derrylyn Gorski, a Democrat.

In Woodbridge, the race is Deputy First Selectman Beth Heller, a Democrat, against Republican Tony Anastasio.

The registrars of voters of each town have released the following guidelines:

• Residents unsure of their voter status may check at myvote.ct.gov before Election Day.

Registration or change of an address may done at the site until midnight April 24.

Registrations are also accepted during business hours at the town clerks’ office, by mail or at a registrars’ session on April 24.

• The deadline for mail-in voter registrations (postmark) and registering in person is 8 p.m. April 24.

After that, the only way to register is by Election Day registration held in both towns at sites other than the polling places.

• The April 24 registration session will be held at the registrars’ offices in both towns 9 a.m.-8 p.m. This is the last day for most people to register prior to the election.

• There will be a limited session in both towns 9 a.m.-5 p.m. April 28 for people who attained age, citizenship or residency after the April 24 deadline.

• Applications for absentee ballots should be made through the town clerk’s office in each town. Applications can also be downloaded from the secretary of the state’s website: sots.ct.gov.

• Ballots are available at the Woodbridge town clerk’s office, 8:30 a.m.-4:30 p.m. Monday-Friday, and Bethany, 9 am.-4:30 p.m. Monday-Friday and Mondays 6:30-7:30 p.m.

Allow enough time for the application and ballot to be sent by mail.

• For questions on elections, call the Bethany registrars at 203-393-2100, ext. 121 at Town Hall, 40 Peck Road; the Woodbridge registrars at 203-389-3408, ext. 3409, at Town Hall, 11 Meetinghouse Lane.

Also, go to each town’s website.