As explained in the final rule preamble in Section IV.F. Effective Date, Compliance Date, and Applicability of Requirements in this Part (81 FR 65118-122), the effective date is on January 18, 2017 and the compliance date is on April 18, 2017. Responsible parties have until April 18, 2017, to come into compliance with the requirements of the final rule. Click here more information on the final rule implementation.