Tax authorities have relied on informers for investigative leads perhaps since taxes were first imposed. In the 21st Century high profile cases of theft of taxpayer information by employees of service providers including banks and professional firms have provided data not only of interest to tax authorities but also as a driver of international tax…

Today, there is an exponential increase in new forms of commercialization of goods and the provision of services that make use of digital platforms. This situation is altering the functioning of the transport, delivery and digital services markets, among others. The rise of the sharing and gig economy, powered by digital platforms, has triggered the…