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 and enforce the voting guarantees 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, whenever Federal observers are appointed under any provision of Federal law. 5. Determination of voting rights violation For purposes of this Act, a voting rights violation occurred in a State or political subdivision if any of the following applies: (1) Final judgement