<Li> Excommunication <Ul> <Li> List of excommunicable offences in the Catholic Church </Li> <Li> List of people excommunicated by the Catholic Church <Ul> <Li> List of excommunicated cardinals </Li> </Ul> </Li> </Ul> </Li> <Ul> <Li> List of excommunicable offences in the Catholic Church </Li> <Li> List of people excommunicated by the Catholic Church <Ul> <Li> List of excommunicated cardinals </Li> </Ul> </Li> </Ul> <Li> List of excommunicable offences in the Catholic Church </Li> <Li> List of people excommunicated by the Catholic Church <Ul> <Li> List of excommunicated cardinals </Li> </Ul> </Li>

Which are the sacraments at the service of communion