Whenever the owner or occupant of any tract of land desires to construct a fence as provided in the preceding section, he shall give written notice of his intention to the railroad company upon whose line such tract is situated, by personal service upon the agent of said company at the station within this state, nearest to such tract of land, giving in said notice a description of said land, and it shall be the duty of the railroad company to construct and complete its portion of such fence within sixty (60) days after the service of such notice: Provided, that if such owner or occupant fails to construct his portion of such fence, then the railroad company shall not be required to construct such fence.
Okla. Stat. tit. 66, § 146