Wash. Rev. Code § 87.22.040
There shall accompany said petition as an exhibit thereto a schedule of maximum benefits and of irrigable acreage for all the respective lands in the district. Such schedule shall contain in appropriate columns the name of the person to whom such tract of real property was assessed and the description of said property according to the district assessment roll last equalized, in a third column with appropriate heading shall be specified after each said description of land the maximum benefit to be received from the proposed refunding bond issue with the maximum benefits segregated into its three component parts-(1) the amount required to pay the lands' proportional part of the principal of the bonds; (2) the amount required to pay the lands' proportional part of the interest over the term of the bonds; (3) the amount of benefits in excess of the lands' proportional part of the principal of the bonds and the interest over the term of the bonds; and in another appropriately specified column shall be stated after each tract the irrigable acreage thereof which will be assessed for payment of the proposed refunding bonds. Said schedule shall be signed by the secretary of the district.
RCW 87.22.040