You are looking at a schedule for the Radiocommunications Act 1989. This schedule is called 'Regulations deemed to have been made pursuant to this Act' and it is empowered by s 141. It lists some regulations that are part of this act. You will see some regulations listed, such as the Radio Regulations 1987 and its amendments. These regulations are part of the Radiocommunications Act 1989. They have numbers like SR 1987/412 and SR 1988/69. These regulations are considered to be made under the Radiocommunications Act 1989. They are listed here because they are part of the act. You can look at the details of each regulation to learn more about them.