Section 40.15.320 - Monuments(a) In a subdivision with five or fewer lots, the existence of at least a 5/8 inch by 24 inch rebar and cap monument at controlling exterior corners of the subdivision shall be established by the surveyor.(b) In a subdivision of more than five lots, each interior corner shall be monumented with at least a 5/8 inch by 24 inch rebar and cap.(c) If a monument of record does not lie on the parcel or tract boundary, the plat shall reflect a boundary survey and tie to a monument of record.