The owner of a copyright to a joint work or any other jointly owned copyright (hereinafter in this Article referred to as a "joint copyright") is not entitled to transfer or pledge that share of the joint copyright without the consent of the other co-owners.
A joint copyright may not be exercised without the unanimous agreement of all the co-owners.
共有著作権は、その共有者全員の合意によらなければ、行使することができない。
In a case referred to in the preceding two paragraphs, a co-owner may not, without justifiable grounds, refuse the consent referred to in paragraph (1) or prevent the agreement referred to in the preceding paragraph from being reached.
The provisions of paragraphs (3) and (4) of the preceding Article apply mutatis mutandis to the exercise of a joint copyright.
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