TSSA adopts the new CAN/CSA B149.1S1-07 supplement August 1st, 2007. Download Director's Order FS-098-07 - Here (http://hvactechgroup.com/files/order/FS09807.pdf)
*This includes amendments to the CAN/CSA B149.1S1-07 Supplement No. 1 package
Download the CAN/CSA B149.1S1-07 Supplement No.1 - Here (http://hvactechgroup.com/files/B149_1S1_EN1.pdf)
Download the CAN/CSA B149.1U1-07 Update No. 1 - Here (http://hvactechgroup.com/files/B149_1U1_EN1.pdf)
*This update corrects Clause 8.2.3, which mistakenly refers to Clause 8.2.5. The Update No. 1 revises Clause 8.2.3, to refer to Clause 8.2.6.
You can view all ammendments and supplements - Here (https://www.hvactechgroup.com/index.php/topic/B149)