(1) The provisions of this Act concerning the term of protection under sections 70 and 71 also apply to scientific editions and editions of posthumous works whose term of protection had not yet expired on 1 July 1990 under the law applicable until that date.
(2) Where a right of use in a scientific edition or in an edition of posthumous works was granted or transferred to another before 1 July 1990, then, in cases of doubt, the grant or transfer also extends to the period by which the term of the related right has been extended.
(3) The provisions of section 137 (3) and (4) apply accordingly.