According to OSHA, they’re pushing back enforcement of 1926.1153 until September 23, 2017. They intend to use that time to conduct “additional outreach and provide educational materials and guidance for employers.”
If you want to keep up with further changes, the best thing to do is sign up for this email notification system from OSHA. I signed up for a similar one on the Online Reporting Requirements recently and can confirm it worked well.
Read on below for more information and resources.