CUST - PBS Custody Guide
DTC's Custody Service allows you to outsource all or part of your physical securities inventory for safekeeping.
Use the Custody System to make deposits, withdrawals, and transfers, change customer account numbers, enter document information for a security, and perform New York Window settlement.
For more information, refer to the PBS Custody User Guide: https://dtcclearning.com/documents/asset-services-1/securities-processing/custody-service/5203-pbs-custody-user-guide.html
You can access this service through the PBS Home page –> Corporate Actions Services –> Securities Processing Services –> Custody Services.