What is the minimum age to hire the Pétis Insurance? You can hire Pétis since the birth of your pet. For pets aged less than 4 weeks old, only the option BASE is available. For animals older than 4 weeks and up to 7 years old, the options available are BASE, PLUS, PLATINA and PREMIUM. For animals aged between 7 and 10 years old, the option available is BASE.