If sums are owed to a rights holder for acts of exploitation performed before his request for total or partial termination took effect, or under an exploitation authorisation granted before that effective date, he retains the rights conferred on him by the provisions of the third and fourth paragraphs of article L. 324-10, I and II of article L. 324-12, articles L. 324-14, L. 324-18, L. 325-7, I and II of article L. 326-3 and articles L. 326-4 and L. 328-1.