Declaration of taking; contents.

Those having the right to take possession and title in advance of the entry of final judgment in eminent domain actions, as provided by law, may file, either with the petition or at any time prior to the entry of final judgment, a declaration of taking signed by the petitioner, or its duly authorized agent or attorney, stating that the property sought to be appropriated is thereby taken for the use set forth in the petition. The petitioner shall make a good faith estimate of value, based upon a valid appraisal of each parcel in the proceeding, which shall be made a part of the declaration of taking.