The mayor may issue orders:
1° When ordering local precautions on objects entrusted to his vigilance and authority by 1°, 3° and 4° of Article L. 2212-2, by the second, third and fourth paragraphs of article L. 2542-4 and by article L. 2542-5 ;
2° When it is a matter of republishing police laws and regulations or reminding citizens to observe them.