; and (ii) if the change applies to only one political subdivision, the actual number of votes, or (if it is not reasonably practicable for the political subdivision to ascertain the actual number of votes) in each subdivision-wide election held during the 5-year period which ends on the date the change involved is made. (4) Voluntary Compliance by Smaller Jurisdictions Compliance with this subsection shall be voluntary for a political subdivision of a State unless the subdivision is one of the following: (A) A county or parish. (B) A municipality with a population greater than 10,000, as determined by the Bureau of the Census under the most recent decennial census. (C) A school district with a population greater than 10,000, as determined by the Bureau of the Census under the most recent decennial census. For purposes of this subparagraph, the term school district means the geographic area under the jurisdiction of a local educational agency (as defined in section 8101 of the Elementary and Secondary Education Act of 1965 ( 20 U.S.C. 7801 )). (d) Rules Regarding Format of Information The Attorney General may issue rules specifying a reasonably convenient and accessible format that States and political subdivisions shall use to provide public notice of information under this section. (e) No denial of right To vote The right to vote of any person shall not be denied or abridged because the person failed to comply with any change made by a State or political subdivision if the State or political subdivision involved did not meet the applicable requirements of this section with respect to the change. (f) Definitions In this section— (1) the term demographic group means each group which section 2 protects from the denial or abridgement of the right to vote on account of race or color, or in contravention of the guarantees set forth in section 4(f)(2)