or abridgement of the right to vote on account of age, (1) have been few in number and have been promptly and effectively corrected by State or local action, (2) the continuing effect of such incidents has been eliminated, and (3) there is no reasonable probability of their recurrence in the future. (b) Jurisdiction If any action under any statute in which a party (including the Attorney General) seeks to enforce the voting guarantees of the Twenty-sixth Amendment in any State or political subdivision the court finds that violations of the Twenty-sixth Amendment, violations of this Act, or violations of any Federal law that prohibits discrimination in voting on the basis of age, justifying equitable relief have occurred within the territory of such State or political subdivision, the court, in addition to such relief as it may grant, shall retain jurisdiction for such period as it may deem appropriate and during such period no voting qualification or prerequisite to voting, or standard, practice, or procedure with respect to voting different from that in force or effect at the time the action was commenced shall be enforced unless and until the court finds that such qualification, prerequisite, standard, practice, or procedure does not have the purpose and will not have the effect of denying or abridging the right to vote on account of age: Provided, That such qualification, prerequisite, standard, practice, or procedure may be enforced if the qualification, prerequisite, standard, practice, or procedure 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 sixty days after such submission, except that neither the court's finding nor the Attorney General's failure to object shall bar a subsequent action to enjoin enforcement of such qualification, prerequisite, standard, practice, or procedure. (c) Enforcement by Attorney General The Attorney General is authorized to monitor