417. Every notice in writing must contain:(1) the name of the municipality, when such notice is given by an officer or by the head of such municipality;
(2) the name, official capacity and signature of the person who gives it;
(3) a sufficient description of those to whom it is addressed;
(4) the place where and the time when it is made;
(5) the object for which it is given;
(6) the place, day and hour at which those summoned to answer such notice must do so.