Shipping from US to Canada FBA waiting for Amazon to provide broker information, what is it?

Trying to send some inventory from US to Canada FBA. UPS tracking says waiting on Amazon to provide broker information. What is this?

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10/16/2023

5:47 P.M. On the Way

UPS initiated contact with receiver or importer for clearance information. Once received, UPS will submit for clearance.

Fredericton, NB, Canada

10/16/2023

5:47 P.M. The importer has not assigned a broker. This may delay delivery.

Fredericton, NB, Canada

10/16/2023

5:47 P.M. The importer has not assigned a broker. This may delay delivery.

Fredericton, NB, Canada

10/16/2023

1:21 P.M. Import Scan

Richmond, BC, Canada