On November 14, 2022, U.S. Customs (CBP) released CSMS #53992279 - CBP Verification of Bond Amounts and Request for Additional Security for Temporary Importation Under Bond (TIB) Entries. 

The Bond Amounts Required for TIB entries are as follows:

• For all merchandise except the categories below, the bond shall be in an amount equal to 2x the estimated duties, including fees, determined at the time of entry per 19 CFR § 10.31(f).
• In the case of samples solely for use in taking orders entered under subheading 9813.00.20, HTSUS, motion-picture advertising films entered under subheading 9813.00.25, HTSUS, and professional equipment, tools of trade and repair components for such equipment or tools entered under subheading 9813.00.50, HTSUS, the bond shall be in an amount equal to 110 percent of the estimated duties, including fees, determined at the time of entry per 19 CFR § 10.31(f).
• In the case of restricted/prohibited merchandise, the bond shall be in an amount equal to the greater of 2x the duty including fees or 3x the value (19 CFR § 113.62(n)(1)) of the merchandise.

When a continuous bond on file is not sufficient to cover the TIB requirements in 19 CFR § 10.31(f), CBP may require an additional Single Transaction Bond (STB). The additional STB will be in an amount equal to the difference between the continuous bond (CB) amount and the bond amount required for the TIB entry.

Multiple TIBs can be filed using the same continuous bond. If an STB is needed, the amount requested should be the difference between the CB and the TIB bond amount for that entry, regardless of how many entries are secured by the same valid CB.

Notices of required additional STB from CBP must be in writing to the importer and must contain the amount of the additional bond required, as well as information about the reason for the additional bonding.