The loser could challenge that decision in the September Democratic primary.
After initially planning to run in the September Democratic primary for the general election nomination, Case announced that he was dropping out.
Ms. Holtzman lost her re-election bid in the September 1993 Democratic primary.
The field for the September Democratic primary is made up of four people.
Under election laws, candidates for mayor must live in the city 30 days before the September primaries.
The plan calls for separate debates for the Democratic and Republican candidates during the week before the September 12 primaries.
Both the Democratic and Republican conventions could result in voters getting an early say, in the September primaries, as to who they like.
Moreover, for the first time in fully 20 years, the campaign appears certain to continue in earnest past the September primaries and into November.
In the September primaries, the new polling places produced considerable confusion and errors in voter rolls.
Already, three contestants have emerged to fight it out in the September Democratic primary for the seat.