Entitled to free admission are:
All visitors under 18 years old. Children younger than 12 must be accompanied by an adult;
Groups and parties of students from state and private schools in Italy and the European Union, accompanied by their teachers, subject to booking and in the number established by the head of the institution;
Teachers and students enrolled in the faculties of architecture, cultural heritage conservation and educational sciences, or on degree courses in literature or literary subjects with an archaeological or historic-artistic specialisation in the faculties of literature and philosophy, in corresponding faculties or courses set up in the Member States of the European Union students must display a valid the certificate of enrolment for the current academic year, in Italian, or in English for foreign students);
Teachers and students enrolled in the Fine Arts Academies or corresponding institutes within the European Union students must display the certificate of enrolment for the current academic year in Italian or English);
Tour guides from the European Union in the exercise of their professional activities (upon display of a valid licence issued by the competent authority) ;
Tourist interpreters from the European Union when their assistance is required alongside the guide (upon display of a valid licence issued by the competent authority) ;
Citizens of the European Union with disabilities and a family member or other accompanying person who can demonstrate employment in the relevant social services organisation;
Personnel of the Ministry for the Cultural Heritage and Activities;
Voluntary workers performing activities for the promotion and enhancement of knowledge of the cultural heritage, on the basis of agreements drawn up with the Ministry pursuant to article 112, subsection 8, of the Code;
For reasons of study or research, certified by schools or universities, academies and research and cultural institutes in Italy and abroad, and by the Ministry for the Cultural Heritage and Activities, or for specific motivated requirements, the heads of the institutions may allow free admission for specified periods to persons making request thereto;
Members of ICOM (International Council of Museums);
members of ICOMOS (International Council of Monuments and Sites);
Proof of eligibility for free entry is to be presented when picking up your tickets.
All visitors every first Sunday of each month (In this day, is not possible make a reservation, you must wait in line.).