(2) For the purposes of this section, the lands described in the plat of any subdivision under review shall be considered to be developed if any of the following conditions are found by the agency or body conducting the review to exist on such lands:
(a) Roadways providing access into and travel within the subdivision have been or are being constructed to meet the specifications prescribed therefor by the agency or body that approved the plat of the subdivision;
(b) Facilities for the supply of domestic or industrial water to lots created by the subdivision have been or are being constructed;
(c) Sanitary sewerage disposal facilities have been or are being constructed for lots created by the subdivision, or septic tanks have been or are being installed on the land or permits have been issued for their installation on the land;
(d) Buildings have been or are being constructed upon the land or permits have been issued for the construction of buildings upon the land; and
(e) One or more lots described in the plat of the subdivision have been sold or otherwise transferred prior to the date of the initiation of such review.
(3) If the agency or body determines that a subdivision is undeveloped after its investigation of the subdivision under subsection (1) of this section, it shall also determine:
(a) If the undeveloped subdivision complies with the comprehensive plan, zoning regulations and ordinances and subdivision ordinances and regulations then in effect with respect to lands in the subdivision; and
(b) If the undeveloped subdivision does not comply with such plan and ordinances and regulations, whether the subdivision may be revised to comply with such plan and ordinances and regulations.
(4) If the agency or body determines that a subdivision is undeveloped after its investigation of the subdivision under subsection (1) of this section, it shall hold a hearing to determine whether the undeveloped subdivision should be revised and the subdivision replatted or vacated and all lands within the subdivision that have been dedicated for public use vacated. Not later than 30 days before the date of a hearing held by an agency or body under this section, the agency or body shall notify, in writing, each owner of record of land described in the plat of the subdivision under review of the date, place, time and purpose of such hearing. [1973 c.569 §3]