19 C.F.R. § 351.220
At the direction of the President or a designee, the Secretary will conduct a review under section 762(a)(1) of the Act to determine if a countervailable subsidy is being provided with respect to merchandise subject to an understanding or other kind of quantitative restriction agreement accepted under section 704(a)(2) or section 704(c)(3) of the Act. The Secretary will conduct a review under this section in accordance with § 351.221 . If the Secretary's final results of review under this section and the Commission's final results of review under section 762(a)(2) of the Act are both affirmative, the Secretary will issue a countervailing duty order and order suspension of liquidation in accordance with section 762(b) of the Act.
19 C.F.R. §351.220