Don Fernando Muñoz Altea Fernández y Bueno was appointed Chronicler King of Arms of the Royal House of Bourbon Two Sicilies in 1962 by HRH prince Rainier of Bourbon Two Sicilies (Sua Altezza Reale il Principe Rainier di Borbone delle Due Sicilie, Duca di Castro)

Since then Don Fernando has been in charge of all the functions of his appointment that are authorized to officially recognize and record arms to individuals and genealogical certifications following the laws and customs of the Royal House and the heraldic science.

Don Fernando has as well been appointed  King of Arms of the Military and Hospitaller Order of St. Lazarus of Jerusalem.