The JWC shall update this Schedule on a yearly basis and as otherwise required.

2. Coordinated management of water and sewage systems in the West Bank, as follows:
   
   
1. Existing water and sewage systems, which serve the Palestinian population solely, shall be operated and maintained by the Palestinian side solely, without interference or obstructions, in accordance with the provisions of Article 40.
   
   
2. Existing water and sewage systems serving Israelis, shall continue to be operated and maintained by the Israeli side solely, without interference or obstructions, in accordance with the provisions of Article 40.
   
   
3. The systems referred to in a and b above shall be defined on Maps to be agreed upon by the JWC within three months from the signing of this Agreement.
   
   
4. Plans for construction of new water and sewage systems or modification of existing systems require the prior approval of the JWC.
   
   

SCHEDULE 9

Supervision and Enforcement Mechanism

Pursuant to Article 40, Paragraph 17 of this Appendix:

1. Both sides shall establish, upon the signing of this Agreement, no less than five Joint Supervision and Enforcement Teams ( JSETs ) for the West Bank, under the control and supervision of the JWC, which shall commence operation immediately.
   
   
2. Each JSET shall be comprised of no less than two representatives from each side, each side in its own vehicle, unless otherwise agreed. The JWC may agree on changes in the number of JSETs and their structure.
   
   
3. Each side will pay its own costs, as required to carry out all tasks detailed in this Schedule. Common costs will be shared equally.
   
   
4. The JSETs shall operate, in the field, to monitor, supervise and enforce the implementation of Article 40 and this Schedule, and to rectifY the situation whenever an infringement has been detected, concerning the following:
   
   
1. Extraction from water resources in accordance with the decisions of the JWC, and the Schedule to be prepared by it in accordance with sub - paragraph i.e of Schedule 8.
   
   
2. Unauthorized connections to the supply systems and unauthorized water uses;
   
   
3. Drilling of wells and development of new projects for water supply from all sources;
   
   
4. Prevention of contamination and pollution of water resources and systems;
   
   
5. Ensuring the execution of the instructions of the JWC on the operation of monitoring and measurement systems;
   
   
6. Operation and maintenance of systems for collection, treatment, disposal and reuse, of domestic and industrial sewage, of urban and agricultural runoff, and

<165>