Effective Dates

The table below summarizes the phase-in dates required under the revised Hazard Communication Standard (HCS):

Effective Completion Date Requirement(s) Who
December 1, 2013 Train employees on the new label elements and safety data sheet (SDS) format. Employers
June 1, 2015

December 1, 2015

Compliance with all modified provisions of this final rule, except:

The Distributor shall not ship containers labeled by the chemical manufacturer or importer unless it is a GHS label

Chemical manufacturers, importers, distributors and employers
June 1, 2016 Update alternative workplace labeling and hazard communication program as necessary, and provide additional employee training for newly identified physical or health hazards. Employers
Transition Period to the effective completion dates noted above May comply with either 29 CFR 1910.1200 (the final standard), or the current standard, or both Chemical manufacturers, importers, distributors, and employers