The flag is defined in the Code of Ordinances, City of Pittsburgh, Title I, Article I, Chapter 103, Section 3 as follows:
(a) The following shall be the forms, devices and colors of the City civic flag, ensign, pennant and streamer: the colors in the several forms shall be black and gold, of the hues or tints as expressed upon the pattern, and the exact copy of which is on file in the office of the City Clerk.
(b) The civic flag, or standard of the City, shall be as follows: the material shall be American-made bunting or silk of the colors or hues above designated, ten (10) feet in length and six (6) feet in width, or in proportion thereto. The same shall be parted vertically per pale in three (3) equal parts, of which the first and <nowiki></nowiki> shall be black and the second or middle pale gold. Upon the latter shall be blazoned the City arms, as borne upon the City seal, and the same shall be blazoned upon the middle, and occupy one-third (1/3) of the surface thereof.