Within 24 hours after completing any attachment or connection, the
plumber shall make a true return in writing on the back of the permit
of any change he may have made, or if new work, he must show all the
openings or taps made and uses to which water is to be applied, to
be filed in the office of the Department. The return shall also state
accurate and complete measurements of the distance from the curb to
where the service pipe enters the house, and a diagram furnishing
the location of the pipes, the stopcock, and the opening, and the
use of the opening must accompany the return. Every return shall be
full and complete in these particulars.