The International Residential Code, 2021 Edition, and all appendices, unless deleted, published therewith, as published by the International Code Council, is hereby adopted by reference as the “Moline Residential Code,” and is incorporated herein by reference thereto as if it were set out in haec verba. Three (3) copies of such Code shall be kept on file in the city clerk’s office for inspection and shall remain on file therein for such purposes.