Answer:
Notary retention would be a State law issue.
From the ABA on Medallion Signatures - see the last page:
https://www.aba.com/aba/documents/securities/Medallion_procedures.pdf
Notary retention would be a State law issue.
From the ABA on Medallion Signatures - see the last page:
https://www.aba.com/aba/documents/securities/Medallion_procedures.pdf