On July 22, 2022, President Biden signed the Formula Act, temporarily suspending duty on imports of certain infant formula products from July 22, 2022 through December 31, 2022. 

Duty-free treatment is limited to certain infant formula products classified under the designated United States Harmonized Tariff Schedule (HTS) numbers.

The eligible infant formula products will not be subject to any additional safeguard duties that may be imposed under subchapter IV of Chapter 99 of the HTS, or any other import quotas, tariff-rate quotas, additional duties, or any other duties, fees, exactions, or charges that otherwise would apply to such articles.  

Importers/filers are required to classify the infant formula products with the correct Chapter 19 or Chapter 21 HTS number, along with the corresponding Chapter 99 HTS number, as identified below. 

Chapter 99 HTS Number        Eligible Chapter 19 and Chapter 21 HTS Numbers 

9903.19.19                              1901.10.16, 1901.10.26, 1901.10.36, 1901.10.44 

9903.19.20                              1901.10.29, 1901.10.49 

9903.19.21                              2106.90.97 

9903.19.22                              2106.90.99 

Reference: CSMS #52739058 - Temporary Duty-Free Treatment of Infant Formula