Immediately upon the selection and appointment of the first board of commissioners, the members shall meet at the call of the St. Landry Parish Police Jury and organize by electing a chairman, a vice-chairman, and an executive secretary; they shall also provide for quarterly meetings of the board and for special meetings on the call of the chairman or of any three members. A majority of the whole membership shall be required to constitute a quorum for the transaction of business, but the executive secretary and the chairman, acting jointly, shall be authorized at all times to transact routine business.
La. R.S. § 25:233