They have not asked yet or companies (Fastmail for example) just provide access and keep quiet.
> Australia passes world’s first law authorizing encryption backdoors
> The law authorizes police to compel companies to create a security vulnerability, often called a backdoor, that would give investigators access to an individual’s communication without that person’s knowledge. It marks a major milestone in the so-called “crypto wars” over the public’s ability to “go dark” via the powerful encryption available on commercial devices.
https://cyberscoop.com/australia-encryption-backdoors-law-pa...