19 U.S.C. § 326
TERMINATION OF RELIEF AUTHORITY.
“No import relief may be provided under this subtitle with respect to any article after the date that is 8 years after the date on which duties on the article are eliminated pursuant to the Agreement.
“No import relief may be provided under this subtitle with respect to any article after the date that is 8 years after the date on which duties on the article are eliminated pursuant to the Agreement.