Illinois Code § 15

§ 15.

Technical submissions. (a) Technical submissions are the designs, drawings, and specifications that establish the scope of the professional engineering project, the standard of quality for materials, workmanship, equipment, and constructions systems, and the studies and other technical reports and calculations prepared in the course of the practice of professional engineering. All technical submissions prepared by or under the personal supervision of a professional engineer shall bear that professional engineer's seal, signature, and license expiration date. The licensee's written signature and date of signing, along with the date of license expiration, shall be placed adjacent to the seal. (b) All technical submissions intended for use in the State of Illinois shall be prepared and administered in accordance with standards of reasonable professional skill and diligence. Care shall be taken to reflect the requirements of State statutes and, where applicable, county and municipal ordinances in such submissions. In recognition that professional engineers are licensed for the protection of the public, health, safety, and welfare, submissions shall be of such quality and scope, and be so administered, as to conform to professional standards. (c) No officer, board, commission, or other public entity that receives technical submissions shall accept for filing or approval any technical submissions relating to services requiring the involvement of a professional engineer that do not bear the seal and signature of a professional engineer licensed under this Act. (d) It is unlawful to affix one's seal to technical submissions if it masks the true identity of the person who actually exercised responsible control of the preparation of such work. A professional engineer who seals and signs technical submissions is not responsible for damage caused by subsequent changes to or uses of those technical submissions where the subsequent changes or uses, including changes or uses made by State or local governmental agencies, are not authorized or approved in writing by the professional engineer who originally sealed and signed the technical submissions. (e) The professional engineer who has contract responsibility shall seal a cover sheet of the technical submissions, and those individual portions of the technical submissions for which the professional engineer is legally and professionally responsible. The professional engineer practicing as the support design professional shall seal those individual portions of technical submissions for which the professional engineer is legally and professionally responsible. (Source: P.A. 101-310, eff. 8-9-19.)