contract By Wayne Huang|March 23rd, 2017| Keep your co-workers informed. Share this story! FacebookTwitterWhatsAppEmail One Comment cjmech April 2, 2023 at 7:04 pmLog in to Reply For the BII differential pay, will that start in January 2024, or is it retroactive back to 2021 and 2022? Leave A Comment Cancel replyYou must be logged in to post a comment. This site uses Akismet to reduce spam. Learn how your comment data is processed.