(a) The practice of or the offer to practice professional engineering in this state by individual licensed professional engineers or the practice of or the offer to practice land surveying in this state by individual licensed land surveyors under the corporate form or by a corporation or limited liability company, a material part of the business of which includes engineering or land surveying, is permitted, provided (1) such personnel of such corporation or limited liability company as act in its behalf as engineers or land surveyors are licensed or exempt from licensure under the provisions of this chapter, and (2) such corporation or limited liability company has been issued a certificate of registration by the board as provided in this section. No such corporation or limited liability company shall be relieved of responsibility for the conduct or acts of its agents, employees or officers by reason of its compliance with the provisions of this section, nor shall any individual practicing engineering or land surveying be relieved of responsibility for engineering or land surveying services performed by reason of his employment or relationship with such corporation or limited liability company. All final drawings, specifications, plots, reports or other engineering or land surveying papers or documents involving the practice of engineering or land surveying which are prepared or approved by any such corporation or limited liability company or engineer or land surveyor for use of or for delivery to any person or for public record within this state shall be dated and bear the signature and seal of the engineer or land surveyor who prepared them or under whose supervision they were prepared.

(b) A qualifying corporation or limited liability company desiring a certificate of registration shall file with the board an application upon a form prescribed by the Department of Consumer Protection accompanied by a nonrefundable application fee of five hundred sixty-five dollars. Each such certificate shall expire annually and shall be renewable upon payment of a fee of three hundred seventy-five dollars. If all requirements of this chapter are met, the department shall issue to such corporation or limited liability company a certificate of registration within thirty days of such application, provided the department or board may refuse to authorize the issuance of a certificate if any facts exist which would entitle the commissioner or board to suspend or revoke an existing certificate.

(c) Each such corporation or limited liability company shall file with the department a designation of an individual or individuals licensed to practice engineering or land surveying in this state who shall be in charge of engineering or land surveying by such corporation or limited liability company in this state. Such corporation or limited liability company shall notify the department of any change in such designation within thirty days after such change becomes effective.

(d) Not less than two-thirds of the individual members of a limited liability company or owners of a professional corporation that practices or offers to practice professional engineering or land surveying services in this state shall be individually licensed under the provisions of this chapter and shall own not less than two-thirds of the voting interests of the limited liability company or not less than two-thirds of the voting stock of the professional corporation.