Ind. Code § 23-13-10-3

Sec. 3. Whenever the board of trustees of any such institution, university, or college, incorporated under any law of the state of Indiana, which has been pursuing the purposes of its charter since March 6, 1892, shall file with the secretary of state a resolution, duly adopted by such board, signifying formal acceptance of the provisions of this chapter, the same shall be taken and held as part of the original charter of such institution, university, or college.