(3) (a) the assignor and the assignee; or ­ (b) the licensor and the licensee. An assignment of any economic right, or a licence to do an act subject to authorisation by the author or other owner of copyright, shall not include or be deemed to include the assignment or licence of any other rights not explicitly referred to therein. (4) The scope of an assignment shall be limited to the specific use of the economic right mentioned in the agreement. (5) Where the ownership of a copy of a work is assigned, the economic rights relating to the work shall not be deemed to have also been assigned. (6) Where an agreement for the assignment of an economic right fails to mention the time for which the assignment shall operate, the assignment shall terminate 10 years as from the date of assignment. (7) Where an agreement for the assignment of an economic right fails to mention any country in which the assignment may have effect, the assignment shall only operate in Mauritius. (8) Where an agreement for the assignment of an economic right fails to specify the ways and means of exploitation of the right, the assignee shall be entitled to exploit the right by such ways and means as are necessary for the purpose envisaged by the parties when the assignment was granted. (9) Nothing in this section shall prevent the copyright owner of a work from granting a licence, whether exclusive or not, to another person. 13. Agreement regarding future works (1) Where an author undertakes in writing to grant a licence, or to assign the economic rights concerning future works which are not specified in detail, either party may, on giving not