A nonresident alien, foreign business or foreign government, or an agent, trustee or fiduciary thereof, which acquires agricultural land or an interest in agricultural land, by devise or descent after January 1, 1980, shall divest itself of all right, title and interest in the land within two years from the date of acquiring the land or interest. This section shall not require divestment of agricultural land or an interest in agricultural land, acquired by devise or descent from a nonresident alien, if such land or an interest in such land was acquired by any nonresident alien prior to July 1, 1979.