1. Questionnaire sent out by the secretariat
Paragraph 4 of Part II of Annex B to the Stockholm Convention requests each Party that use DDT to inform the Secretariat every three years on the amount used, the conditions of such use and its relevance to that Party’s disease management strategy. The COP has endorsed a questionnaire to support Parties to provide such information. The Secretariat notifies Parties at the appropriate time to complete the questionnaire. Parties complete the questionnaire and return it to the Secretariat.
2. Secretariat undertakes preliminary assessment on DDT
The Secretariat collates and compiles the information received on the completed questionnaires, seeks further information from the World Health Organization and other relevant entities and carries out a preliminary assessment on DDT.
3. DDT Expert Group carries out assessment of DDT
At least six months before each COP, the DDT Expert Group meets to assess the continued need for DDT and any other pertinent issue regarding DDT and its alternatives. The DDT Expert Group provides a report to the COP including its recommendations on the continued need for DDT for disease vector control.
4. COP makes decision on the continued use of DDT
At least every three years and invariably at each COP which occurs every two years, a decision is made on the continued need for DDT for disease vector control.