; and (B) count the ballot if, prior to the expiration of the 48-hour period described in subparagraph (A)(ii), the individual provides the official with the missing signature on a form proscribed by the District of Columbia or cures the other defect. This paragraph does not apply with respect to a defect consisting of the failure of a ballot to meet the applicable deadline for the acceptance of the ballot, as described in subsection (e). (e) Deadline for acceptance (1) Deadline Except as provided in paragraph (2), the District of Columbia may not accept an absentee or other mail-in ballot for a District of Columbia election which is received by the appropriate election official following the close of polls on Election Day. (2) Exception for absent military and overseas voters Paragraph (1) does not apply to a ballot cast by an individual who is entitled to vote by absentee ballot under the Uniformed and Overseas Citizens Absentee Voting Act ( 52 U.S.C. 20301 et seq. ). (3) Rule of construction Nothing in this subsection may be construed as prohibiting the District of Columbia from accepting an absentee or other mail-in ballot for a District of Columbia election that is delivered in person by the voter to an election official at an appropriate polling place or the District of Columbia Board of Elections if such ballot is received by the election official by the deadline described in paragraph (1). 331. Requirements with respect to use of drop boxes (a) Short title This section may be cited as the American Confidence in Elections: District of Columbia Ballot Security Act . (b) Requirements With respect to a District of Columbia election, the District of Columbia may not use a drop box to accept a voted absentee or other mail-in ballot for any such election unless— (1) any such drop box is located inside a District of Columbia Government building or facility; (2) the District of Columbia provides for the security of any such drop box through 24-hour remote or electronic surveillance