USCIS Guidance on DACA Renewal Requests Affected by Mail Service Issues

[I]n light of the mail service delays identified by USPS, Acting Secretary of Homeland Security Elaine Duke has directed USCIS to accept DACA renewal requests from individuals who resubmit their DACA renewal request with individualized proof that the request was originally mailed in a timely manner and that the cause for receipt after the Oct. 5, 2017, deadline was the result of USPS mail service error.

Source: USCIS Guidance on DACA Renewal Requests Affected by Mail Service Issues