ANNAPOLIS, Md. (WJZ) — Voters have just hours to request mail ballots for the special election to replace the late Rep. Elijah Cummings.

In order to receive a ballot in the mail, eligible voters who are not yet registered will need to register by 5 p.m. on Tuesday. That includes 17-year-olds who will turn 18 before the April 28 election, officials said.

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Paper voter registration forms also need to be sent to the voter’s local board of elections ahead of the election; they must be postmarked by no later than Tuesday.

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The deadline to request an electronic ballot is Friday at 11:59 p.m.

In-person voting on April 28 will be limited.

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Former Rep. Kweisi Mfume, a Democrat, will take on Kimberly Klacik, a Republican, with the winner representing parts of Baltimore and Howard counties and Baltimore City in the House of Representatives.