StacksVerified U.S. regulatory reference

45 CFR §4.4

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
The Department will not provide a receipt or other acknowledgement of process received, except for a return receipt associated with certified mail and, where required, the acknowledgement specified by Rule 4(c)(2)(C) of the Federal Rules of Civil Procedure.