(d) To the extent not shown or projected on the plats, plans of the units must show or project:
- (1) The location and dimensions of the vertical boundaries of each unit and that unit's identifying number;
- (2) Any horizontal unit boundaries, with reference to an established datum and that unit's identifying number; and
- (3) Any units in which the declarant has reserved the right to create additional units or common elements (section 2- 110(c)), identified appropriately.