Hibs and Aberdeen are hoping to have home supporters for their first races in the Europa League conference.
Hibs face the winners of Mons Calpe Sports Club or FC Santa Coloma while the Dons face FK Hacken.
The two first legs are scheduled to be at home on July 22.
Hibs has asked to bring 5,000 supporters into Easter Road while Aberdeen is working on around 2,000 for their clash in Pittodria.
National clinical director Jason Leitch revealed this weekend that Scottish football stadiums could be at full capacity by August.
It will come too soon for the first European matches.
The two clubs are waiting for their local authorities to give them the green light for their proposals.
The limited number means both clubs are likely to go to the poll with their subscriptions far outnumbering their meager allowances.
These numbers are also provided that their area drops one level and does not stay as it currently is.
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The away matches are due to take place on July 29, but as it stands, UEFA has warned against moving away supporters.
Hibs are also looking for a similar figure for their preseason friendly with Arsenal.
Leitch’s side are reasonably confident their decision will be passed, especially as Edinburgh have already welcomed more than 16,500 fans to Murrayfield for the British Lions’ clash with Japan on Saturday.