Participants can change their registration at the caucus location.

It was during this time that he ultimately decided to change his registration from Democrat to Republican.

He plans to change his registration to Democratic before the next big election.

He retired in 1990, and after traveling around the world for a year, changed his registration to Republican.

But during an assignment as an editor I decided to bow to appearances, and applied to change my registration, twice in three years.

I went down to the courthouse and changed my registration.

Unaffiliated voters can continue changing their registration until noon on the day before the primary.

He changed his registration in 1970 to run as a Democrat.

He might as well change his registration to the Republican Party.

On August 4, 2004, he registered to run as a Democrat, but changed his registration to republican two days later.