`but subject to the provisions laid down in this paragraph for the sum of the net monetary value of the property transferred or for the reduction of the rental value to be paid during the term of a rental agreement referred to in paragraph (iva) (with the exception of a reduction in the maintenance, management and nullity periods indicated in the rental agreement), since the agreement corresponds to the net monetary value, .b.dem free market value less the existing utility value, the land that the planning authority would receive if the agreement only provides for a transfer of land in accordance with point (a). ” such as planning documents and other 3rd party agreements. .