Orders, decorations, and medals of the Holy See of the Catholic Church by his authority as head of the Holy See and sovereign of the Vatican City State. Historically, membership in these orders was either conferred by Papal bulls not signed by the Pope or by apostolic letters signed by the Pope himself. Since the reforms of these orders in the beginning of the 20th century, the diplomas have been signed by the Cardinal Secretary of State. In general, "Papal orders of knighthood" refers to the five equestrian orders of the Holy See awarded directly by the Supreme Pontiff as head of the Catholic Church, Holy See and
Foreign relations of the Holy See are non-residential, so that it has in all 106 concrete missions, some of which are accredited not only to the country in which they are situated, but also to one or more other countries or international organizations. The Holy See is the only European subject of international law to have diplomatic relations with the Republic of China (Taiwan), although there have been reports of informal talks between the Holy See and the government of the People's Republic of China on establishing diplomatic relations, restoring the situation that existed when the papal representative was part of the diplomatic corps that accepted