https://www.nafsa.org/regulatory-information/additional-flexibilities-filers-impacted-uscis-lockbox-delays
Additional Flexibilities for Filers Impacted by USCIS Lockbox Delays | NAFSA
A 06/10/21 USCIS news alert describes additional temporary filing flexibilities for benefits filers impacted by USCIS Lockbox delays.
for filersadditionalflexibilitiesimpacteduscis