Complex sentence: Law reached age 80 on November 4,2011, and lost the right to participate in any papal conclave, and, on the same day, he ceased to hold his various Curial memberships.
Split into simpler sentences: Law reached age 80 on November 4,2011, and therefore lost the right to participate in any papal conclave. On the same day, he ceased to hold his various Curial memberships.