17. (1) The Authority shall keep and maintain in such form as may be prescribed by rules separate registers for the registration of undertakings, individuals and agreements subject to registration under this Ordinance. (2) The Authority shall register an undertaking, individual or agreement by entering in the register such particulars relating thereto as may be prescribed by rules. (3) The Authority shall enter in the register any variation in the facts relating to an undertaking, individual or agreement reported to it. (4) A register shall be open to public inspection at such time and on payment of such fees as may be prescribed by rules, except that the Authority may, upon application by the person or undertaking concerned, provide for the confidential treatment of trade secrets.