Ind. Code § 8-4-11-1

Sec. 1. Any railroad company organized under any general law of this state is hereby empowered to extend its road, from time to time, beyond either terminus fixed in its articles of association, and to construct, or cause to be constructed, to own and operate such extension or extensions, in the same manner, and to the same extent, as if such extension or extensions had been included between the termini named in its original articles of association: Provided, however, That before any such extension or extensions are commenced, the same shall be authorized by resolutions adopted by the holders of a majority, in value, of the capital stock of the company proposing to extend its road, and such resolutions shall specify the point from and the point to which such extension is to be made, and the township or townships and county or counties into or through which the same is to be constructed; and a copy of such resolution, signed by the president and attested by the secretary of said company, under its corporate seal, shall be filed in the office of the secretary of state of this state.