Article 1. - The study programs of the different grades of pre-school, general elementary and middle education, shall include, in each grade, 2 weekly religion classes. Article 2. - Religious education classes shall be imparted as part of the official weekly timetable of each educational establishment. Article 3. - Religion classes shall be offered in all the country’s educational establishments, on an optional basis for the student and the family. Parents or guardians shall indicate in writing, when enrolling their children or wards, whether or not they wish to receive religious education, also stating whether they opt for a particular creed or if they do not wish their child or ward take religious education classes. Article 4. - Any religious creed may be taught, provided that it does not undermine sound humanism, morals, good customs and public order […]. Article 5. - Private denominational establishments shall offer their students the teaching of the religion to which they belong and for which they have been chosen by the parents when enrolling their children […]. Article 6. - Religious education shall be imparted in accordance with the study programs approved by the Ministry of Public Education, at the proposal of the corresponding religious authority. The same procedure shall be applied when it is necessary to introduce modifications to the current program. Article 8. – Religious education classes shall be evaluated on the basis of concepts. This information will be given to the parents or guardians, together with the performance evaluation of the other disciplines or subjects of the respective Study Program. The evaluation of religious education will not affect the student’s promotion [to the next grade]. Article 9. - In order to carry out their duties, religious education teachers shall be in possession of a certificate of suitability granted by the corresponding religious authority, which shall be valid as long as it is not revoked, and shall also accredit the studies carried out to hold such position. The corresponding religious authority may grant a certificate of suitability to foreigners to work in municipal and private educational establishments. If the educational establishment does not have suitable personnel, it must request it from the religious authority, according to the preferences of the parents and guardians. 18. Law No. 19.638 which establishes regulations for the legal constitution of churches and religious organizations, 49 states the following: Article 1. The State guarantees freedom of religion and worship under the terms of the Constitution of the Republic. Article 2. No person may be discriminated against by virtue of his religious beliefs, nor may these be invoked as a reason to suppress, restrict or affect the equality enshrined in the Constitution and the law. Article 3. The State guarantees that persons may freely pursue their religious activities as well as the freedom of churches, denominations and religious entities. […] Article 6. Freedom of religion and worship, with the corresponding autonomy and immunity from coaction, shall signify for every person, at least, the right to: […] d) Receive and impart religious instruction or information by any means; to choose for himself – and, in the case of minors, their parents, and the guardians of incapacitated persons under their care - the religious and moral education that is in accordance with their own convictions […] 49 Law 19638, of October 1, 1999, establishes rules on the legal constitution of churches and religious organizations (evidence file, folios 1083 and 1084). 9