143. System harmonization must include(1) a determination of the types of container or types of residual materials that may be taken in charge by a system when not targeted by that system;
(2) the methods used to determine the quantities of containers or residual materials targeted by one system that are taken in charge by the other system, including the criteria used to characterize, as the case may be, redeemable containers or residual materials, and to identify the persons responsible for determining those quantities and for providing follow-up;
(3) the terms and conditions applicable to the management of containers or residual materials targeted by one system that are taken in charge by the other system, in particular as regards their traceability and, if applicable, the way in which they may be taken in charge once again by the system that targets them;
(4) the financial terms and conditions applicable to the performance of the obligations on which the 2 bodies agree;
(5) the terms and conditions for communications between the 2 bodies; and
(6) the measures to be implemented to allow, as far as possible, for the sharing of the spaces used for each system, the costs involved in implementing the systems, and any other measure needed to optimize the use of the bodies’ resources.