https://blog.mygcvisa.com/2019/06/uscis-will-no-longer-accept-i-407-at.html
USCIS | USCIS Will No Longer Accept I-407 at International Field Offices
Beginning July 1, USCIS will no longer accept Form I-407, Record of Abandonment of Lawful Permanent Resident Status at international field ...
international field officesuscislongeraccept