Three games will be played on Tuesday January 15: Concord v Wroxham, Hastings v Whitehawk (subject to a possible FA Cup replay between Hastings and Middlesbrough) and Thamesmead v Thurrock.
The outstanding fourth-round tie between Dulwich and Wealdstone will also take place that night, with the winners entertaining Kingstonian the following Monday (if Wealdstone) or Tuesday (if Dulwich).
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