§1. In every diocese a Finance council is to be established, over which the diocesan bishop himself or his delegate presides and which consists of at least three members of the Christian faithful truly expert in Financial affairs and civil law, outstanding in integrity, and appointed by the bishop.
§2. Members of the Finance council are to be appointed for Five years, but at the end of this period they can be appointed for other Five year terms.
§3. Persons who are related to the bishop up to the fourth degree of consanguinity or affnity are excluded from the Finance council.
Source: Code of Canon Law (Vatican.va)