This section applies to the following major changes:a 10% increase or 25% decrease in the approved number of dwelling units; a 10% increase or a 25% decrease in the maximum building heights in the approved planned unit development; a change in the type, location, or arrangement of land use within the development, as shown on the previously approved final development plan; a change in the boundaries of the planned unit development; a decrease in open space that had been included as a public benefit or amenity under <cite data-path="|32|§13-204">§ 13-204 {“Exceptions from district regulations”} of this title</cite>; and any change:that fails to substantially comply with the PUD master plan or City regulations; or that violates:the underlying zoning; an approved exception; a condition of approval attached to the planned unit development, with the exception of modifications to the planned unit development’s phasing schedule; or a provision of the ordinance that approved or amended the planned unit development. A major change requires introduction and enactment of an ordinance to approve an amendment to the planned unit development and PUD master plan. Ord. 16-581 Ord. 19-252