; or (B) on Indian lands wherein at least 20 percent of the voting-age population belongs to a single language minority group. (c) Preclearance (1) In General Whenever a State or political subdivision with respect to which the requirements set forth in subsection (a) are in effect shall enact, adopt, or seek to implement any covered practice described under subsection (b), such State or subdivision may institute an action in the United States District Court for the District of Columbia for a declaratory judgment that such covered practice neither has the purpose nor will have the effect of denying or abridging the right to vote on account of race, color, or membership in a language minority group, and unless and until the court enters such judgment such covered practice shall not be implemented. Notwithstanding the previous sentence, such covered practice may be implemented without such proceeding if the covered practice has been submitted by the chief legal officer or other appropriate official of such State or subdivision to the Attorney General and the Attorney General has not interposed an objection within 60 days after such submission, or upon good cause shown, to facilitate an expedited approval within 60 days after such submission, the Attorney General has affirmatively indicated that such objection will not be made. Neither an affirmative indication by the Attorney General that no objection will be made, nor the Attorney General's failure to object, nor a declaratory judgment entered under this section shall bar a subsequent action to enjoin implementation of such covered practice. In the event the Attorney General affirmatively indicates that no objection will be made within the 60-day period following receipt of a submission, the Attorney General may reserve the right to reexamine the submission if additional information comes to the Attorney General's attention during the remainder of the 60-day period which would otherwise require objection in accordance with this section. Any action under this