Oregon Revised Statutes Domestic Relations § 107.025

(a) Irreconcilable differences between the parties have caused a temporary or unlimited breakdown of the marriage;

(b) The parties make and file with the court an agreement suspending for a period not less than one year their obligation to live together as spouses, and the court finds such agreement to be just and equitable; or

(c) Irreconcilable differences exist between the parties and the continuation of their status as married persons preserves or protects legal, financial, social or religious interest.