The following provisions apply to each commodity board established pursuant to the provisions of Chapter 12 (§ 3.2-1200 et seq.), Chapter 13 (§ 3.2-1300 et seq.), Chapters 15 (§ 3.2-1500 et seq.) through 19 (§ 3.2-1900 et seq.), Chapter 21 (§ 3.2-2100 et seq.), or Chapter 24 (§ 3.2-2400 et seq.):
1. The term for each appointment to a commodity board shall be for four years, with the exception of an appointment to fill a vacancy, which shall be for the unexpired term, unless otherwise authorized in this subtitle; and
2. A majority of the members of a commodity board shall constitute a quorum of that commodity board unless otherwise authorized in this subtitle.