242.500.  Petition for reassessment of benefits — appointment of commissioners. — 1.  Whenever the board of supervisors of any district in existence as of August 28, 2008, or organized under this chapter after August 28, 2008, on behalf of the district, or the owners of twenty-five percent or more of the acreage of the lands in the district shall file a petition with the circuit clerk in whose office the articles of association were filed, stating that there has been a material change in the values of all or some of the property in the district since the last previous assessment of benefits or readjustment of the assessment of benefits and praying for a readjustment of the assessment of benefits of the property identified in the petition for the purpose of making a more equitable basis for the levy of the maintenance tax or for the purpose of levying a new tax to pay the costs of the completion of the proposed works and improvements as shown in the supplemental plan for reclamation adopted by the board of supervisors pursuant to section 242.230, or for both of the aforesaid purposes, the circuit clerk shall give notice of the filing and hearing of the petition in the manner and for the time provided for in section 242.030.  The notice may be in the following form:

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Upon hearing of the petition if the court finds that there has been a material change in the values of some or all of the property in the district as identified in the petition since the last previous assessment of benefits, the court shall order that there be made a readjustment of the assessment of benefits for the lands identified in the petition for the purpose of providing a basis upon which to levy the maintenance tax of the district or for the purpose of levying a new tax to pay the costs of the completion of the proposed works and improvements as shown in the supplemental plan for reclamation adopted by the board of supervisors pursuant to section 242.230, or for both of the aforesaid purposes.

  2.  Thereupon the court shall appoint three commissioners, possessing the qualifications of commissioners appointed under section 242.240 to make such readjustment of assessments in the manner provided in section 242.260 with respect to the lands identified in the petition and the commissioners shall make their report, and the same proceedings shall be had thereon, as nearly as may be, as are herein provided for the assessment of benefits accruing for original construction; provided, that in making the readjustment of the assessment of benefits, the commissioners shall not be limited to the aggregate amount of the original or any readjustment of the assessment of benefits, and may assess the amount of benefits that will accrue from carrying out and putting into effect such supplemental plan for reclamation adopted by the board of supervisors pursuant to section 242.230.  After the making of such readjustment, the limitation of twenty percent of the annual maintenance tax which may be levied shall apply to the amount of benefits as readjusted, and the limitation of the tax which may be levied for payment of the costs of the completion of the proposed works and improvements as shown in the aforesaid supplemental plan for reclamation shall apply to the amount of the benefits as readjusted.  There shall be no such readjustment of benefits oftener than once in a year.  The list of lands, and other property, with the readjusted assessed benefits and the decree and judgment of the court, shall be filed in the office of the county recorder as provided in section 242.280.