23. Restrictions on advertising.
(1) Any person who causes to be advertised, or supplies, or offers to supply, investment business services or investment advice, or makes any other solicitation in respect of investment business services or investment advice or who holds himself out to be an investment business firm, where the provision of such services or advice would be an offence under section 9 of this Act shall be guilty of an offence.
(2) Without prejudice to the generality of any section of this Act empowering a supervisory authority to impose conditions or requirements, or both, a supervisory authority may impose such conditions or requirements or both, on the investment business firm concerned in respect of advertising by that investment business firm as the supervisory authority considers necessary, in the interests of -
(a) the orderly and proper regulation and supervision of authorised investment business firms, or
(b) the protection of investors.
(3) A supervisory authority may impose a requirement on an investment business firm or all investment business firms to publish specified information or to display specified information at their premises.