Ind. Code § 8-4-12-7

Sec. 7. Whenever any railroad company, coming within the provision of this chapter, shall sell or transfer their property, rights, or franchises to any other railroad company, it shall be the duty of such last named railroad company to complete the road so transferred to them, and put the same in complete running order, within three (3) years after the time of such transfer; and upon failure so to do, it shall be taken and held to have abandoned and forfeited the same, and any company organized, as provided in this chapter, shall succeed to and be invested with the same, as is provided in this chapter; however, nothing in this chapter contained shall be regarded as a recognition of the right of two (2) or more railroad companies to consolidate by voluntary agreement.