Membership is by invitation only & predicated on regular mainstream Masonic affiliation as well as a profession of Christian faith. Membership was initially restricted to 36 members per College, but this was changed in 1908 by MW Thomas Shryock to 72 members per college. The See of the High Council is in Washington, D.C. The SRICF is in amity with the SRIS (Scotia) and the SRIA (Anglia) as well as the SRIC (Canada) and has helped the cause of Rosicruciana by empowering High Councils in their own sovereignty around the World. They are the SRIL in Lusitania (Portugal), SRIG in Gallia (France) and the SRIR (Romania).