(1) Any person claiming title to reposited materials held by a collecting institution shall demonstrate that he owns all right, title, and interest in the reposited materials to the reasonable satisfaction of the collecting institution.

(2) (a) Any person claiming to represent a person claiming title to reposited materials held by a collecting institution shall demonstrate, to the reasonable satisfaction of the collecting institution, that: (i) he represents every person who owns any right, title, or interest in the reposited materials; and (ii) the persons he represents own all right, title, and interest in the reposited materials. (b) Any person claiming he represents persons holding all right, title, and interest in the reposited materials may demonstrate that representation by providing the collecting institution with a notarized authorization from every person having any right, title, or interest in the reposited materials.

(a) Any person claiming to represent a person claiming title to reposited materials held by a collecting institution shall demonstrate, to the reasonable satisfaction of the collecting institution, that: (i) he represents every person who owns any right, title, or interest in the reposited materials; and (ii) the persons he represents own all right, title, and interest in the reposited materials.

(i) he represents every person who owns any right, title, or interest in the reposited materials; and

(ii) the persons he represents own all right, title, and interest in the reposited materials.

(b) Any person claiming he represents persons holding all right, title, and interest in the reposited materials may demonstrate that representation by providing the collecting institution with a notarized authorization from every person having any right, title, or interest in the reposited materials.