Any amendment which may be made to any code or public record incorporated by reference by a county hereunder, may be likewise adopted by reference provided that the required number of amended or corrected copies are filed with the county clerk for inspection, use, and examination by the public. Ordinances or resolutions adopting amendments by reference shall be required to be published as any other ordinances or resolutions of the county and the requirement as to prior filing before passage shall apply likewise to amendments.