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POST
Close a registration when you stop doing business in a jurisdiction. This sets an effective_end_date and stops tax calculations and filings for transactions after that date.

Path Parameters

string
required
The unique identifier (UUID) of the registration to close.

Request Body

string
required
ISO date (YYYY-MM-DD) when the registration ends. Must not be before the effective_start_date.Example: "2024-12-31"

When to Close a Registration

Close a registration when:
  • Leaving a state — You’re no longer selling to customers in that jurisdiction
  • Closing a tax account — You’ve closed your account with the state
  • Business closure — The corporation is ceasing operations in that jurisdiction

Effect of Closing

After the effective_end_date:
  1. Tax calculations — The /calculate endpoint returns zero tax for this jurisdiction
  2. Filing — No returns are filed for periods after the end date
  3. Historical data — All transaction and filing history is preserved
Closing a registration does not affect filings for periods up to and including the end date. Commenda will still file final returns as needed.

Cascade Behavior

Closing a state registration will automatically close all local registrations under that state with the same end date. This is a bulk operation.

Close vs. Archive vs. Delete

After Closing

The registration will show the effective_end_date field:
If you need to reopen a closed registration, contact Commenda support.