(1) Optional securities registration service: An issuer (or its registrar) may, but shall not be obliged to, provide an optional securities registration service under which definitive certificates are required to be issued within:—
(a) 6 business days of the date of expiration of any right of renunciation; or
(b) 6 business days of the receipt of properly executed transfer or other relevant documents or the relevant certificates.
(2) The fee for registration pursuant to the optional securities registration service shall not exceed, in total, the higher of the following:—
(a) HK$3.00 multiplied by the number of certificates issued; or
(b) HK$3.00 multiplied by the number of certificates cancelled.
(3) If the issuer (or its registrar) fails to effect any registration within the period of 6 business days specified in rule 17.69(1), the fee for such registration shall be that determined in accordance with rule 17.68(2).