Lying in state is only organised for a sitting taoiseach or president.
The church service may feature a High Mass, usually attended by past and present presidents, taoisigh and senior members of the Irish judiciary.
About 300 members of the Defence Forces provide a guard of honour, a gun-carriage carries the coffin, which is draped with the tricolour, and Army Buglers play the Last Post. There is a gun-salute.