Stores supplemental tax registration for a single account.
The supplemental TRN information to provide when adding or updating a supplemental TRN.
Success
Unique authority ID for the supplemental TRN information that was stored.
The status of the supplemental TRN stored in the system after processing. Based on the validation occurring on the TRN, the status can be <code>Verified</code>, <code>Pending</code>, <code>Rejected</code>, or <code>Deleted</code>.