FAR clause 52.229-3 Federal, State, and Local Taxes, specifically sections (c) and (g), allows contractors to adjust prices for taxes imposed after a contract award. Similarly, FAR 52.216-2, 52.216-3 and 52.216-4 related to Economic Price Adjustment-Labor and Material may offer another way recover additional material costs, with the concurrence of the KO. Learn more in this useful law-firm article.
DFARS clause 252.225-7013 - Duty-Free Entry provides contracting officers the discretion to award contractors with duty-free import certificates for items. FAR 52.225-8 Duty-Free Entry offers similar provisions with a higher bar of qualification. To get a thorough read on this, check out a great article from a prominent law firm, and the specific instructions in the DFARS clauses linked above.
We present this information in the spirit of helpfulness and collaboration, it is certainly not legal advice. Please consult your export and import compliance manager as the expert on your situation and contracts.
Cyntony will facilitate and coordinate with you to make sure tariff related documentation and logistics details are handled adroitly. We invite you to contact us with any questions or concerns, as we fulfill our pledge to provide customer-attuned collaboration to assure successful outcomes for you and your customers.