Rangers are set to face Panathinaikos at the Olympic Stadium in Greece for the second leg of their Champions League qualifier.
Russell Martin's side were paired with the Greek outfit for the second qualifying round tie next month.
The first leg, on July 22/23 will be played at Ibrox with the return fixture to be played at the home of Panathinaikos.
However, it's expected Panathinaikos will inform Rangers of a stadium switch, with the match instead to be played at the Olympic Stadium.
Panathinaikos' ramshackle ground, Apostolos Nikolaidis Stadium, is being rebuilt and the club will return to their spiritual home for the new season.
But it won't be ready in time for their clash with Rangers.
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As a result, Panathinaikos will stage the qualifier second leg at the Olympic Stadium, with a capacity of 65,000.
In line with UEFA rules, visiting clubs must be handed a minimum of five per cent of the total capacity for away supporters.
Panathinaikos rarely coming close to selling out in most of their European games so tickets should not be an issue for Rangers supporters.
If the five per cent quota is applied to the maximum 65,000 capacity then Rangers would receive a minimum of 3,250 tickets for the tie.
There is scope to increase the figure should the demand be there and Panathinaikos make further tickets available to Rangers.
UEFA rules state: "The visiting association or club must be allocated 5% of the total stadium capacity as tickets for their supporters in a dedicated sector of the stadium.
"This sector of the stadium must be capable of being segregated from other sectors.
"The location of away supporters within this sector must be agreed in advance by police and public authorities.
"Even if the segregated area of the stadium for visiting supporters constitutes more than 5 percent of the total stadium capacity, all places in the segregated area must be made available to the visiting association or club."
