La. R.S. 18:1287

The commissioner-in-charge and the commissioners shall be present at the polling place at least thirty minutes prior to the time the polls are to open. A commissioner-in-charge who fails to so appear shall be replaced in accordance with R.S. 18:433(H). If any commissioner fails to so appear, or if the number of commissioners present is less than the number necessary to conduct the election as previously established by the governing authority, the commissioner-in-charge shall appoint the necessary number of commissioners in accordance with R.S. 18:434(D)(2).