A prospectus inviting persons to subscribe for a company's shares or debentures and including a statement purporting to be made by an expert shall not be issued unless—
he (the expert) has given and has not, before delivery of a copy of the prospectus for registration, withdrawn his written consent to its issue with the statement included in the form and context in which it is in fact included; and
a statement that he has given and not withdrawn that consent appears in the prospectus.
If a prospectus is issued in contravention of this section, the company and every person who is knowingly a party to the issue of the prospectus is liable to a fine.