140 No. 4 of 2021] Electronic Communications and Transactions “timestamp” means a data unit created using a system of technical and organisational means which certifies the existence of electronic data at a given time; “time stamping service” is the issue of a time stamp necessary to prove the official time and temporary order of a digital signature and digital seal and the creation of conditions for verification of the issued time stamp; and “trustworthy system” means computer hardware, software and procedures that— (a) are reasonably secure from intrusion and misuse; (b) provide a reasonable level of availability, reliability and correct operation; (c) are reasonably suited to perform their intended function; and (d) adhere to generally accepted security procedures. Application 3. (1) This Act applies to electronic transactions, electronic communications and electronic records used in the context of commercial and noncommercial activities that include domestic and international transactions, arrangements, agreements and exchanges and storage of information and other related transactions. (2) Except as otherwise specified, this Act shall not be construed as— (a) requiring any person to generate, communicate, produce, process, send, receive, record, retain, store or display any information, document or signature by, or in electronic form; or (b) prohibiting a person from establishing requirements in respect of the manner in which that person will accept data messages. (3) Except as otherwise specified, this Act does not limit the operation of any written law that authorises electronic payments, electronic money and value transaction services, prohibits or regulates the use of data messages, including any requirement by, or under, any law for information to be posted or displayed in a specified manner, or for any information or document to be transmitted, stored or retained by a specified method.