The owner hereby authorizes the representatives of the City of Beaconsfield and its designated contractor to enter onto its property at the above-mentioned property address, for the purpose of an inspection and, if authorized and paid for by the owner, to proceed to the treatment of the selected ash trees. Furthermore, the owner is hereby advised that the City of Beaconsfield and its designated contractor deny any liability in case the treatment proves to be ineffective and waives any and all claims that it may have now or in the future against the City of Beaconsfield and its designated contractor in relation to the treatment of ash trees.