21 CFR 1311.50 - Requirements for recipients of digitally signed orders.
(2) Verify that the certificate holder's CSOS digital certificate has not expired by checking the expiration date against the date the order was signed.
(3) Check the validity of the certificate holder's certificate by checking the Certificate Revocation List.
(4) Check the certificate extension data to determine whether the sender has the authority to order the controlled substance.
Title 21 published on 2014-04-01
no entries appear in the Federal Register after this date.