Haw. Rev. Stat. § 651-93: Effect of separation, divorce, reconciliation.

Following the entry of a decree of separate maintenance or an interlocutory decree of divorce, each spouse may claim a separate real property exemption under this part as a person. A subsequent reconciliation of the spouses when evidenced by a dismissal of the divorce action or vacation of the decree of separate maintenance executed by both spouses or their attorneys of record shall cancel a separate claim for a real property exemption and the spouses shall only have one real property exemption.