After the final implementation deadline, some non-Real-ID–compliant licenses continued to be accepted for federal purposes, if DHS determines that the issuing state is in full compliance with the Real ID Act by the final implementation deadline. However, in order for their licenses to be accepted for federal purposes, people born after December 1, 1964, were to have been required to have Real-ID–compliant cards by December 1, 2014, and people born before December 1, 1964, by December 1, 2017. In December 2014, these deadlines were extended to October 1, 2020. In March 2020, they were extended again to October 1, 2021.