The constitution guarantees religious freedom; there were no government actions limiting that freedom. Roman Catholicism is the state religion and state ceremonies included Catholic rituals. The government recognized all Abrahamic-based religions and considered registration of other religious groups on a case-by-case basis.
Religious leaders of various denominations participated in state-sponsored cultural and religious events to promote understanding and tolerance.
The U.S. Consulate General in Marseille participated in cultural and religious events, such as the Monaco National Day Mass, that included leaders from a variety of religious denominations, to show support for religious tolerance.