Okla. Stat. tit. 68, § 68-3125: Resale by county of unredeemed lands

If any real estate shall remain unredeemed for the period

provided for in Section 3105 of this title, the county treasurer

shall proceed to sell such real estate at resale, which shall be

held on the second Monday of June each year in each county or, if

conducted through an online auction, shall be started on a date and

time set by the county treasurer during normal business hours within

the full week of the second Monday of June, or until the sale has

concluded pursuant to subsection A of Section 3129 of this title.