...[The] procurement policies and practices of G20 governments have a major impact on the global economy and the lives of these children...Well-functioning GVCs [global value chains] can...[provide] opportunities for emerging economies [but]...GVCs can also hide...and disperse apparent responsibility for child labour... GVCs...must, therefore, be accompanied by additional responsibilities to ensure that...the rights of children...are protected...In 2014, G20 governments are expected to spend between 10 and 15 trillion dollars on public procurement...While some countries are attempting to address child labour in their public procurement...we are seeing a highly fragmented system emerge...A common approach would address this...As the leaders of the G20 governments prepare to meet...we ask them to take an important first step...by developing and implementing a common approach to the reform of public procurement policies...