Undertaking in lieu of bond permitted for in-bonding procedures, with requirement to replace undertaking by revised deadline. Relaxation permits submission of an undertaking in lieu of bond for in-bonding of goods imported under Warehouse Bill of Entry via the importer's or broker's registered email to the designated AC (Bond); the AC will process or forward requests per roster. The notice amends the designated email, extends the deadline to replace the undertaking with a proper bond, requires the Bond Section to record such relaxations, and instructs trade associations and officers to publicize and treat the notice as a standing order.