ORS 105.123: Complaint.

In an action pursuant to ORS 105.110, it is sufficient to state in the complaint:

      (1) A description of the premises with convenient certainty;

      (2) That the defendant is in possession of the premises;

      (3) That, in the case of a dwelling unit to which ORS chapter 90 does not apply, the defendant entered upon the premises with force or unlawfully holds the premises with force; and

      (4) That the plaintiff is entitled to the possession of the premises.