(1) The Central Government may, within three months of the date of publication of the final findings by the designated authority under rule 19, impose, by notification in the Official Gazette, upon importation into India of the article covered under the final finding, a countervailing duty not exceeding the amount of subsidy as determined by the designated authority under rule 19 :

Provided that in case of imports from specified countries the amount of duty shall not exceed the amount which has been found adequate to remove the injury to the domestic industry.

(2) Notwithstanding anything contained in sub-rule (1) where a domestic industry has been interpreted according to the proviso to clause (b) of rule 2, a countervailing duty shall be levied only after the exporters have been given opportunity to cease exporting at subsidized prices to the area concerned or otherwise give an undertaking pursuant to rule 17 and such undertaking has not been promptly given and in such cases duty cannot be levied only on the product of specified producers which supply the area in question.

(3) If the final finding of the designated authority is negative, that is contrary to the prima facie evidence on whose basis the investigation was initiated, the Central Govemment shall within forty five days of the publication of final findings by the designated authority under rule 19, withdraw the provisional duty, imposed if any.