In case any Landowner shall be desirous of subscribing for any Shares or Stock in the Capital, whether original or additional, of a Company having Power to construct a Railway or navigable Canal, or any Branch or Extension Railway or, navigable Canal, or any Deviation of a Line of Railway or a navigable Canal already sanctioned, the Works for which such Subscription is to be made being unfinished, or in any additional Capital to be raised for the Completion of any such Railway, Canal, Branch, Extension, or Deviation, the same being upon or near to and which will improve or benefit the Lands of such Landowner, and who shall be desirous that such Amount, or any Part thereof, may be charged upon the Lands so to be improved, it shall be lawful for him to apply to the Commissioners for that Purpose within the Time limited by the Railway or Canal Company's Act or Acts for the Construction of the Works in question.