Ad Hoc Declaration on Additionally Planned Activities

If an activity involving scheduled chemicals was not declared during the Annual Declaration of Anticipated Activities (ADAA), the licensee should report the activity using the Ad-hoc Declaration on Additionally Planned Activities (AH).

The table below indicates the activities that may be reported in an AH.

Activities Requiring ADAA

Activity Schedule 1 Schedule 2 Schedule 3
Processing X X
Consumption X X
Import/Export X X X
Storage X X X
Local Sales/Distribution X X X
√: indicates that ADAA is required.
See full list of scheduled chemicals.

Unscheduled Discrete Organic Chemicals (DOCs)

An AH is not required for facilities involved in the production of DOCs.

Timeline for Submission

Schedule of Chemicals AH Submission Deadline
Schedule 1 chemicals and related facilities 200 days before start of activities
Schedules 2 and 3 chemicals and related facilities 20 days before start of activities

Submission of Ad-Hoc Declaration

Licensees may submit the AH using the same declaration forms as the ADAA.

1)     Download the application forms.

2)     Submit the application forms with supporting documents by:

  • Email:
  • Mail: Singapore Customs
    National Authority (Chemical Weapons Convention)
    55 Newton Road #06-02
    Revenue House
    Singapore 307987