The club are intending to display supporters' flags on the terraces at The Jakemans Stadium, with the match on Saturday July 25 featuring on a live stream courtesy of BT Sport and Sportradar.
Supporters with a flag are asked to e-mail club secretary Craig Singleton to arrange the drop-off, with all flags displayed by club staff in the build-up to the fixture.
Flags will be returned to supporters at the conclusion of the home play-off fixture(s).