Section 32-11.5-506 - Subsequent modifications(1) Except as otherwise provided in subsection (2) of this section, the board may modify or rescind by resolution any board action relating to the creation of an improvement district or the imposition of special assessments at any time before adopting a resolution creating the improvement district pursuant to section 32-11.5-509 and authorizing a project to be funded in whole or in part with revenues generated by special assessments.(2) No substantial change in a proposed improvement district, details, preliminary plans, specifications, or estimates shall be made after the first publication or mailing of notice to property owners, whichever occurs first; except that the board may delete a portion of a project or any tract from the proposed improvement district or from any assessment unit, and the engineer may make minor changes in time, plans, and materials for a project at any time before its completion.L. 2009: Entire article added, (SB 09-141), ch. 194, p. 868, §1, effective April 30.