Article 46: Libraries and document keeping centers, not aiming at making direct or indirect commercial profits, can reproduce a work without the author’s or right owner’s permission in response to a request from another library or document keeping center, or to maintain the work’s copy, or to compensate a damaged, lost or void one under the following conditions: - It is impossible to obtain a new copy in reasonable conditions. - The reproduction process must be isolated and no-recurring. Article 47: It is legal for any mass media institution to reproduce, circulate or convey to the public articles on daily events published by newspapers, radio or television, without permission from the author or reward to him, provided that the author and the source are indicated, unless there is an express provision prohibiting its use for such purposes. Free use of daily news, events and incidents of pure media nature is permissible. Article 48: It is legal for a mass media institution to copy or circulate lectures or speeches in public occasions for information purposes without permission from the author or reward to him, provided that the author and the source are indicated. Only the author has the right to comprehensively compile such lectures or speeches for publishing purpose. Article 49: It is legal, without permission from the author or a reward him, to reproduce, convey, use a work necessary for substantiating techniques in legal or administrative proceedings. Article 50: It is legal, without permission from the author or a reward him, to copy or inform the public an architectural work, fine art, practical art or pictorial work, if always on display in a public place, except in open galleries, museums, cultural and natural places. Article 51: It is legal, without permission from the author or a reward him, for audio or audio video institution to transiently record, by its own means, a work for broadcasting purposes, provided that the recorded copy is damaged within six months after recording, unless the author agrees to a longer period. It is, however, permissible to keep a single copy of this record for archiving purpose only, even in the absence of such agreement. Article 52: It is legal, without having permission from or rewarding the author or the any other owner of rights, for the legal owner of computer software to copy or emulate a single copy of the software, if the copy or emulation is necessary for: - Using the computer software for the purpose it has been acquired for and subject to the conditions applicable when acquired. - Compensating for a legally acquired copy of the software for documentation purposes in case of loss, damage, or invalidity. Article 53: The uses of the single copied or emulated copy of the software shall be limited to the areas provided for in Article 52 above. The copied or quoted copy of the software shall be damaged when its acquisition legality elapse.