My medicals were requested before RPRF, here's my timeline:
August 29, 2016: Application received by CIC
December 5, 2016: AOR sent
December 22, 2016: Medicals requested
January 3, 2017: Medicals received by CIC and started processing application
April 11, 2017: received request to provide police certificate, updated CVs, updated Personal History and
payment of RPRF
Payment of RPRF made the next day and the requested documents received in the Paris office a week later. We then submitted the documents online as well a couple of days later
August 25, 2017: background check updated to "processing your background check we will contact you if we need more information".