If the endorsement is independent and separable, it is considered a new contract. If the amendment does not contain an arbitration clause, all disputes relating thereto shall be filed with the People`s Court, which has jurisdiction over the case under the civil procedure law of the PRC. There is no specific test to decide whether the endorsement is independent or inseparable. As a rule, an addendum contains additional clauses to complete the initial agreement, which means that it can hardly exist independently. In this case, the main provisions of the initial agreement relate to the construction of a building, without looking at the details of the water and electricity works. The addendum contains detailed provisions concerning water and electricity works. . . .