Wisconsin Statutes Public Lands, Waters and Natural Resources (Ch. 23 to 33) § 24.27. Purchase money a loan

The purchaser of public lands, when the balance of the purchase money becomes due, may retain the same as a loan from year to year on payment annually in advance, or on or before May 31, of the interest on the sum due, at the rate of interest specified in the certificate of sale, and the taxes annually assessed on the land described in the certificate, until required to pay the whole or part by the board or until the legislature shall otherwise direct.