One who tests a vocation such as a vocation to an ordained ministry or the religious life. Postulants for holy orders seek ordination as deacon or priest. The length of postulancy varies. The time involves meeting with the bishop of the diocese, examination by the Commission on Ministry, along with physical and mental examinations, and in some cases attending discernment conferences or weekends. Postulancy is an initial time of preparation and testing for ordained ministry. Candidacy is the next stage in the ordination process.