12 CFR § 150.490
When must I deposit securities with state authorities?
November 10, 2020
You must deposit securities with a state's authorities or, if applicable, a Federal Home Loan Bank under §150.510, if you meet all of the following:
(a) You are located in the state.
(b) You act as a private or court-appointed trustee.
(c) The law of the state requires corporations acting in a fiduciary capacity to deposit securities with state authorities for the protection of private or court trusts.