(1) Where the use of a work is permitted under the provisions of this Division, alterations to the work are not permitted. Section 39 applies accordingly.
(2) Where necessitated on account of the purpose of the use, translations and such alterations to the work are permitted as only constitute extracts or transpositions into another key or pitch.
(3) In the case of artistic works and photographic works, such rendering of the work into another size and such alterations are permitted as result from the procedure used for its reproduction.
(4) In the case of uses pursuant to sections 45a to 45c, those alterations are permitted as are necessary to be able to produce an accessible format.
(4a) Amendments to the work are permitted to the extent necessary for the purpose of the use in accordance with section 51a.
(5) In the case of collections for religious use (section 46), in the case of uses for the purpose of teaching in educational establishments (section 60a) and in the case of media collections for teaching (section 60b), such alterations of literary works are also permitted as are necessary for religious uses and for the purpose of illustration in teaching in educational establishments. However, these alterations require the author’s consent, after his or her death the consent of the author’s successor in title (section 30) if such person is the author’s next of kin (section 60 (2)) or has acquired the copyright on account of the author’s testamentary disposition. Consent is deemed to have been given if the author or the successor in title does not object within one month after being notified of the intended alteration and attention has been drawn in the notification of the alteration to this legal consequence. No consent is required in the case of uses for teaching in educational establishments (section 60a) and media collections for teaching (section 60b) if the alterations are clearly and visibly indicated.