Book excerpt: This report provides practical guidance to tax authorities on the design and implementation of a variety of solutions for digital platforms, including e-commerce marketplaces, in the effective and efficient collection of VAT/GST on the digital trade of goods, services and intangibles. In particular, it includes new measures to make digital platforms liable for the VAT/GST on sales made by online traders through these platforms, along with other measures including data sharing and enhanced co-operation between tax authorities and digital platforms.