The Joint Statement adopted by the V4 states on 16 September 2016 states that the "Visegrad States call for full and timely implementation of the roadmap Back to Shengen"
The roadmap, "Back to Schengen" (COM(2016) 120 final) states at p. 9:
"The agreed relocation schemes are essential tools to lessen the strain on the Member States under greatest pressure and to restore order to the management of migration. In the case of Greece, it has also become a tool of humanitarian assistance. Member States must step up the rate of relocation speeding up processing..."