Lien; release.

Any landowner shall have right at any time within 90 days after the date of said decree, or at any time thereafter with consent of holders of not less than 95 percent of bonds, to obtain a full release of his or her lands from the lien and liability of the assessment by the payment of an amount to be stated in the decree, which shall include the proportionate amount of the indebtedness chargeable against said piece or parcel of land, together with an additional amount estimated to be required to pay the bonds by reason of the failure of other pieces or parcels to pay the indebtedness so charged against them, said amounts to be approved by holders of not less than 95 percent of bonds.