Ohio Rev. Code § 1312.07: Commencement of arbitration or action by owner.

Unless otherwise indicated in this chapter, an owner has complied with this chapter and may commence arbitration proceedings or file a dwelling action sixty days after the owner mails, delivers, sends by facsimile transmission or electronic mail, or otherwise provides the residential contractor with a defect notice pursuant to division (A) of section 1312.04 of the Revised Code.