How will CBP validate the “one shipment, per person, per day, not to exceed $800” requirement?

How will CBP validate the “one shipment, per person, per day, not to exceed $800” requirement?

CBP’s expectation for all filers and self-filers participating in the test to exercise reasonable care and fulfill their responsibility of complying with the statutory limitation for de minimis pursuant to 19 USC 1321.