38 M.R.S. §718: --offer of increased compensation

The owner of the mill, dam or canal may within the time provided in section 717 offer in writing to the owner of the land injured, an increase of compensation for the future. If the owner of the land does not agree to accept it, but brings a new complaint for the purpose of increasing it, the owner of the land may not recover costs unless that owner obtains an increase greater than the offer.