Annual Declaration for Past Activities

The Annual Declaration for Past Activities (ADPA) is required for facilities that have produced, processed, consumed, imported, and exported or locally transferred scheduled chemicals or unscheduled discrete organic chemicals (DOCs) in the preceding year.

The table below indicates the activities involving scheduled chemicals that require an ADPA.

Activities Involving Scheduled Chemicals that require an ADPA

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

Unscheduled Discrete Organic Chemicals (DOCs)

If a facility involved in the production of DOCs meets either one or both of the following conditions, it is required to submit an ADPA.

Type of DOCs Quantity Produced per Year
Total DOCs (including both PSF-containing and non PSF-containing) More than 200 tonnes
Any one PSF-containing DOC More than 30 tonnes

Timeline for Submission

The ADPA exercise starts from 1 December and ends on 31 January of the following year.

For instance, to report the past activities of 2020, the declaration exercise will start from 1 December 2020 and end on 31 January 2021.

Submission of ADPA

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