47 (g) is sequestrated or liquidated; (h) no longer carries on the business for which the registration was issued; the Commissioner may cancel or suspend for a specified period the registration of the registered user. (5) Before cancelling or suspending the registration of a registered user in terms of subsection (4) the Commissioner shall— (a) give notice to the registered user of the proposed cancellation or suspension; and (b) provide the reasons for the proposed cancellation or suspension; and (c) afford the registered user a reasonable opportunity to respond and make representations as to why the registration should not be cancelled or suspended. 98F Digital signatures (1) Every digital signature intended for use in connection with a computer system established in terms of section 98C shall comply with the following requirements, namely, it must— (a) be unique to the registered user and under the sole control of the registered user; and (b) be capable of verification; and (c) be linked or attached to electronically transmitted data in such a manner that, if the integrity of the data transmitted is compromised, the digital signature is invalidated; and (d) be in complete conformity with the requirements prescribed by the Commissioner and contained in the user agreement. (2) The Commissioner shall, on registering a user, allocate to the registered user— (a) if the user is a natural person, a digital signature or sufficient digital signatures for the user and each employee of the user nominated in the user agreement; or (b) if the user is not a natural person, sufficient digital signatures for each employee of the user nominated in the user agreement. (3) Where the registered user is a clearing agent licensed under this Act, no employee of such agent who is not licensed as a clearing agent shall be allocated a digital signature. 98G Production and retention of documents Where any provision of this Act prescribes or requires that documents, records, information or the like should be retained for a specific period, that requirement shall be deemed to have been satisfied by a registered user if such documents, records, information or the like are so retained in electronic form that— (a) the information contained therein remains accessible so as to be subsequently usable; and