Maracana SA made the decision to carry out the unscheduled facelift to capitalize on a fixturing quirk that has left the stadium without football for almost two weeks.
Clubs from 13 (of 16) federal German states will play home games under the new conditions this weekend as the top three football tiers start their new season.
The disciplinary commission of French Professional Football (LFP) on Wednesday announced the Brazilian striker would be banned for two games plus one suspended. Argentine midfielder Leandro Paredes received the same punishment while Layvin Kurzawa has to serve a six-match ban for kicking out at Marseille left-back Jordan Amavi.
RB Leipzig will take on Mainz in front of 8,500 fans on the stands, while Eintracht Frankfurt is allowed to play with a 6,500 crowd against league newcomer Arminia Bielefeld. Borussia Dortmund is aiming for 10,000 spectators in its encounter against Moenchengladbach.
While Leipzig has lost significant quality in person of Timo Werner (Chelsea) and Patrick Schick (Leverkusen), all hopes remain on Moenchengladbach's shoulders.
CONMEBOL said strict sanitary protocols would be adopted for the tournament, in accordance with requirements in each of the confederation's 10 member nations.
"In most operational aspects, FIFA will allow flexibility in relation to the match schedule and venues," read a CONMEBOL statement.
Bale returns to the club he left to join Madrid in 2013 for a then-world record transfer fee of over 110 million U.S. dollars.
According to the season's CSL rules, the best four teams from Group A and Group B will compete in the second session.
The Seagulls kept pressing, however, and were back on level terms ten minutes into the second half when Leandro Trossard's effort squeezed past the unconvincing Kepa Arrizabalaga in the Chelsea goal.
Gilbert Alvarez had given the hosts an early lead before Lucho Gonzalez equalized from the penalty spot.