20 CFR 423.7 - Acknowledgment of mailed process.
The Social Security Administration will not provide a receipt or other acknowledgment of process received, except for a return receipt associated with certified mail and, where required, the acknowledgment described in rule 4(e) of the Federal Rules of Civil Procedure (28 U.S.C. App. 4(e)).
Title 20 published on 2014-04-01
no entries appear in the Federal Register after this date.