African Union Legal Instrument 3. 4. P a g e | 19 f) Speedily informing the judicial authority of certain types of offences that have come to their attention; g) Undertaking the audit of all processed personal data, through its officials or sworn officials; h) Imposing administrative and monetary sanctions on data controllers; i) Updating a processed personal data directory that is accessible to the public; j) Advising persons and bodies engaged in personal data processing or in carrying out tests and experiments likely to result in data processing; k) Authorizing trans-border transfer of personal data; l) Making suggestions that could simplify and improve legislative and regulatory frameworks for data processing; m) Establishing mechanisms for cooperation with the personal data protection authorities of third countries; n) Participating in international negotiations on personal data protection; o) Preparing an activity report in accordance with a well-defined periodicity, for submission to the appropriate authorities of the State Party. The national protection authorities may decide on the following measures: a) Issuance of warning to any data controller that fails to comply with the obligations resulting from this Convention; b) An official warning letter to stop such breaches within a timeframe set by the authority. Where the data controller fails to comply with the official warning letter addressed to him/her, the national protection authority may impose the following sanctions after adversary proceedings: a) b) c) Temporary withdrawal of the authorization granted; Permanent withdrawal of the authorization; Monetary fine.