Civil and political rights and duties are neither conditioned upon nor limited by the exercise of religious liberty. The enjoyment of civil and political rights as well as eligibility to public office is independent of religious belief. No one is under any obligation to reveal his religious convictions. The authorities have a right to inquire about religious affiliation only so far as rights and duties are dependent thereon or in pursuance of a statistical enumeration prescribed by law. No one may be forced to attend any church ceremony or festivity, to take part in any religious exercise, or to make use of any religious oath. ARTICLE 137 There is no state church. Freedom of association in religious societies is guaranteed. The combination of religious societies within the Commonwealth is not subject to any limitations. Every religious society regulates and administers its affairs independently within the limits of the general law. It appoints its officers without interference by the state or the civil municipality. Religious societies may be incorporated in accordance with the general provisions of the civil law. Existing religious societies remain, to the same extent as heretofore, public bodies corporate. The same rights shall be accorded to other religious societies if by their constitution and the number of their members they offer a guaranty of permanence. If a number of such public religious societies unite, this union is also a public body corporate. The religious societies, which are recognized by law as bodies corporate, are entitled on the basis of the civil tax rolls to raise taxes according to the provisions of the laws of the respective States. The associations, which have as their aim the cultivation of a system of ethics, have the same privileges as the religious societies. The issuance of further regulations necessary for carrying out these provisions comes under the jurisdiction of the States. ARTICLE 138 State contributions to religious societies authorized by law, contract, or any special grant, will be commuted by State legislation. The general principles of such legislation will be defined by the Commonwealth. The property of religious societies and unions and other rights to their cultural, educational, and charitable institutions, foundations, and other possessions are guaranteed. ARTICLE 139 Sundays and legal holidays remain under the protection of law as days of rest and spiritual edification. ARTICLE 140 The members of the armed forces shall be granted the necessary leave for the performance of their religious duties. ARTICLE 141 In so far as there is need for religious services and spiritual care in hospitals, prisons or other public institutions, the religious societies shall be permitted to perform the religious offices, but all compulsion shall be avoided. _SECTION IV_ EDUCATION AND SCHOOLS ARTICLE 142