Rehman secured a Westminster Hall debate on 'Progress on the Bishop of Truro’s independent review on persecution of Christians and freedom of religion or belief' and spoke on his work as the PM's Special Envoy for Freedom of Religion or Belief (September 2019 - September 2020).
As part of his work as Special Envoy, Rehman was responsible for the delivery of the Bishop of Truro's review into Christian persecution & during his time in office, Rehman took forward 17/22 of the Review's recommendations.