They are lawful communications, without authorization of the author or payment of remuneration:a) Those carried out in a family circle as long as there is no direct or indirect lucrative interest; b) Those carried out for purposes of general utility in the course of official acts, religious and charitable ceremonies, provided that the public may attend free of charge and that none of the participants in the communication receive a specific remuneration for their participation in the event; c) Those carried out for the purpose of general usefulness; d) Those verified exclusively for didactic purposes, in personalized teaching activities within accredited institutions and; e) Those carried out exclusively for didactic purposes, in personalized teaching activities within accredited, non-profit institutions, in a classroom or a place dedicated to teaching;f) Those that are carried out for blind and other handicapped persons, as long as they are able to attend thethe latter may attend the communication free of charge and none of the participants in the event receives a specific remuneration for their participation in it;g) Those that are carried out inside establishments of commerce, for the only purposes of demonstration of the clientele, of receiving equipments, reproducers or other similar ones or forthe sale of the sound or audiovisual supports that contain the works;h) Those made as indispensable to carry out a judicial or administrative proof; i) Speeches, interviews or declarations made by members of duly legalized political parties; j)Those made by soloists or musical groups in family gatherings, in which no profit motives are pursued or with charitable purposes, provided that admission is free