Bulletin and circular archive
For bulletins and circulars issued since 2021, go to our Bulletins page.
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Last edited: Jun 01, 2026
Published: Apr 25, 2026
Appendix 1 May 2019
Bulletin 185
March 2019
Bulletin 182
February 2019
Bulletin 181
January 2019
Bulletin 180 (updated)
November 2018
Bulletin 178
October 2018
Bulletin 177
September 2018
Bulletin 176
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