(4) Where the repository provider is unable to comply with sub regulation (3), the provider shall upon receipt of the information immediately notify the person providing or requiring the publication of the information and the Controller in Form 6 in Schedule 1. (5) A repository provider who contravenes this regulation commits an offence and is liable on conviction to a fine not exceeding seventy two currency points or imprisonment not exceeding three years or both. 27. Archive of suspended or revoked certificates A repository provider shall maintain for ten years, an archive of certificates that have been suspended or revoked. PART VIII- DATE AND TIME STAMP SERVICES 28. Operations of date and time stamp service provider (1) A date and time stamp service provider shall upon receipt of a document for date and time-stamping, immediately stamp the date and time on the document and digitally sign the date and time-stamp. (2) The date and time-stamped on the document shall be the date and time on which the document is received. (3) A date and time stamp service provider shall at the end of each business day publish, in at least one recognized repository, all documents date and timestamped by the provider that day. (4) For the purpose of sub regulation (3), only the hash result shall be published. (5) Where a date and time stamp service provider is unable to comply with sub regulation (3), the provider shall immediately notify the person requesting for the date and time stamp and the Controller in Form 6 in Schedule 1. (6) A date and time stamp services provider who contravenes this regulation commits an offence and is liable on conviction to a fine not exceeding seventy two currency points or imprisonment not exceeding three years or both.