A municipal improvement district assessment may be annually readjusted according to additional improvements placed upon the lands and railroad tracks and rights-of-way when a succession of collections is necessary to pay for the improvements.
Ark. Code Ann. § 14-90-603, under Assessments by Municipal Improvement Districts.
Ark. Code Ann. § 14-90-603
A municipal improvement district assessment may be annually readjusted according to additional improvements placed upon the lands and railroad tracks and rights-of-way when a succession of collections is necessary to pay for the improvements.