OID value: 1.2.840.113549.1.9.16.2.1
OID description:
Use the receiptRequest attribute only within the signed attributes associated with a signed message.
ReceiptRequest ::= SEQUENCE {
signedContentIdentifier ContentIdentifier,
receiptsFrom ReceiptsFrom,
receiptsTo SEQUENCE SIZE (1..ub-receiptsTo)) OF GeneralNames }
ub-receiptsTo INTEGER ::= 16
URL for further info: http://www.ietf.org/rfc/rfc2634
See also the OID Repository website reference for 1.2.840.113549.1.9.16.2.1