A similar transcript duly certified by the clerk which shall contain a list of the names of all persons and corporations benefited by said improvement and the amount of the assessment upon each lot, parcel or governmental subdivision shall be by said clerk filed with the auditor of the county, who shall immediately enter the same upon the tax rolls of his office, as provided by law for the entry of other taxes, against the land of each of the said persons named in the list, together with the amounts thereof; and the same shall be subject to the same interest and penalties in case of delinquency as in case of general taxes and shall be collected in the same manner as other taxes and subject to the same right of redemption, and the lands sold for the collection of said taxes shall be subject to the same right of redemption, as the sale of lands for general taxes; provided, that said assessment shall not become due and payable except at such time or times and in such amounts as may be designated by the board of commissioners of said drainage district, which designation shall be made to the county auditor by said board of commissioners of said drainage district, by serving written notice upon the county auditor designating the time and the amount of the assessment, said assessment to be in proportion to the benefits to become due and payable, which amount shall fall due at the time of the falling due of general taxes, and the amount so designated shall be added by the auditor to the general taxes of said person, persons or corporation, according to said notice, upon the assessment rolls in his said office, and collected therewith: provided further, that no one call for assessment for the payment or retirement of any bonds or warrants by said commissioners shall be in amount to exceed twenty percent (20%) of the actual amount necessary to pay the cost of proceedings, and the establishment of said district and drainage system and the cost of construction of said work. In all calls for assessments made under the provisions hereof for the payment or retirement of any bonds or warrants issued subsequent to February 25, 1935, the commissioners shall itemize the various items for which a call is made, specifying the percentage called against the assessment roll for bond interest, bond redemption, warrant interest, warrant redemption, operation and maintenance and any other purpose for which a call is made. The board by resolution shall, prior to any call for the payment or retirement of any bonds or warrants issued subsequent to February 25, 1935, determine separately the interest requirement for bonds and warrants outstanding and shall not make a call or levy for interest payment in excess of the actual amount required stated separately. Calls made for the payment of such prior bonds and warrants issued prior to September 25, 1935, as to itemization thereof, as to the specification of the percentage called against the assessment roll for the foregoing purposes and as to the separate determination of interest requirements for the payment of outstanding bonds and warrants and as to the call or levy in amount for interest or principal payments or for the payment of funding or refunding bonds issued heretofore or hereafter to fund or to refund or to pay any of said prior warrants or bonds, shall be as provided by the statutes of Idaho in effect prior to February 25, 1935.