12 C.F.R. § 341.2
For the purpose of this part, including all forms and instructions promulgated for use in connection herewith, unless the context otherwise requires:
(5) Transferring record ownership of securities by bookkeeping entry without physical issuance of such securities certificates. The term transfer agent includes any person who performs these functions as a co-transfer agent with respect to equity or debt issues, and any person who performs these functions as registrar or co-registrar with respect to debt issued by corporations.
1. A transfer agent of stock or shares in a mutual fund maintains the records of shareholders and transfers stock from one shareholder to another by cancellation of the surrendered certificates and issuance of new certificates in the name of the new shareholder. A co-transfer agent also performs these functions.
2. A registrar of stock or shares in a mutual fund monitors the issuance of such securities to prevent over-issuance of shares, affixing its signature of each stock certificate issued to signify its authorized issuance. A co-registrar also performs these functions.
3. A registrar of corporate debt securities maintains the records of ownership of registered bonds; makes changes in such records; issues, transfers, and exchanges such certificates; and monitors the securities to prevent over-issuance of certificates. A co-registrar also performs these functions.
(i) The term qualifying securities means:
Note: The following examples are illustrative of the kinds of activities engaged in by transfer agents under this part.
[47 FR 38106, Aug. 30, 1982, as amended at 81 FR 27297, May 6, 2016]