Ark. Code Ann. § 14-116-505

After the work contemplated by the original improvement plan has been completed, the board of directors of the regional water distribution district may adopt and file with the court clerk a plan for additional works of improvement for the improvement project area, and the proceedings with respect to such additional plan, including the right of appeal, shall be the same insofar as may be practicable as those required in connection with the original plan; except that the petitions of the landowners shall not be required.