19 U.S. Code § 2394 - Firms relocating in foreign countries

Before moving productive facilities from the United States to a foreign country, every firm should—
provide notice of the move to its employees who are likely to be totally or partially separated as a result of the move at least 60 days before the date of such move, and
provide notice of the move to the Secretary of Labor and the Secretary of Commerce on the same day it notifies employees under paragraph (1).
(b) [1] It is the sense of the Congress that every such firm should—
apply for and use all adjustment assistance for which it is eligible under this subchapter,
offer employment opportunities in the United States, if any exist, to its employees who are totally or partially separated workers as a result of the move, and
assist in relocating employees to other locations in the United States where employment opportunities exist.

The following state regulations pages link to this page.