§ 19.15 Notice by publication. 1. Notice may be given by publication if the office does not: (a) know the identity of the lender; or (b) know the address of the lender; or (c) receive proof that the notice mailed under section 19.14 of this article was received within thirty days of mailing. 2. Notice by publication must be given at least once a week for three consecutive weeks in a newspaper of general circulation in: (a) the county in which the property is held by the office; and (b) the county of the lender's last address, if known. The date of notice under this subdivision shall be the date of the third published notice.