AITA approved the changes at its Special General Body meeting, (SGM) held virtually on Monday.
The ITF said the 18 nations that already qualified for the Davis Cup 2020 finals will keep those spots in 2021.
US Open organisers to include wheelchair tournament at Grand Slam after backlash from Australian Paralympic tennis champion Dylan Alcott
The United States Tennis Association’s announcement comes five days after the national governing body said it was rethinking their decision and that it could have better communicated with wheelchair athletes.
An FFT statement said it had consulted with the ATP, WTA and International Tennis Federation (ITF) to allow the French Open showpiece the benefit of an extra week.
Coronavirus Outbreak: International Tennis Federation to release funds to lower-ranked players through national federations
Only those tennis players who have been regular in the competition in the last 10 months, will be extended help.
Coronavirus Outbreak: Tennis players should not have to provide financial aid to fellow professionals, says Matteo Berrettini
Berrettini's comments were in response to Novak Djokovic urging players to contribute to a fund set up by the sport’s governing bodies to help the lower-ranked professionals affected by the tennis shutdown which began in March and will continue at least until end of July.
Earlier this month, the ITF, ATP, WTA and the governing bodies of the four Grand Slams raised over $6 million to help about 800 lower-ranked players, who depend solely on tournament winnings earn a living.
Coronavirus Outbreak: Novak Djokovic, other players will need to be vaccinated to ensure safety of athletes, says Rafael Nadal
Nadal says no one can be forced to take the vaccine and everyone should be free to make their choices but all players will have to comply if tennis officials require “vaccination to travel” and to “protect” everyone on the tour
French Open organisers in talks with sport’s governing bodies to discuss tennis calendar for second part of season
The FFT’s decision to postpone the French Open from 27 May - 7 May amid the COVID-19 crisis was widely criticised because the new dates clashed with the hardcourt season.
Coronavirus Outbreak: Tennis governing bodies plan virus-related financial fund to amounting $6 million
The governing bodies of tennis plan to announce as soon as this week they are launching a fund of more than $6 million aimed at lessening the financial effects of the coronavirus pandemic for about 800 singles and doubles players.
ITF releases 'return to tennis' guidelines: Players to use separate sets of balls, only singles matches to be played
The International Tennis Federation has released a set of guidelines which could help the sport return in those countries where the the threat of coronavirus disease has lessened.
Simona Halep's coach Darren Cahill backs idea of WTA-ATP merger, says idea would make tennis 'simpler'
Cahill said, 'I think, hypothetically, it would be a pretty good position for a tennis player to be in, because you know that every single decision being made is made in the best interest of the game.'
Federer began a string of posts on Twitter by saying the shutdown of tennis because of the coronavirus outbreak has given the sport an ideal opportunity to assess its future.
Coronavirus Outbreak: Worried about dwindling finances and sports' uncertain future, lower-ranked tennis players could take up alternate careers
Unlike pros in the NBA or NHL, whose players are getting most of their regular-season paychecks, tennis players are independent contractors who don't receive salaries
Coronavirus Outbreak: Tennis great Billie Jean King feels sport's shutdown has exposed its 'inequities'
The tennis season was suspended in March due to the COVID-19 pandemic and the shutdown will continue at least until mid-July, depriving lower-level players of the chance to earn a living
Top 100 tennis player Nicolas Jarry was given an 11-month doping ban by the International Tennis Federation on Monday, stemming from a failed test at the Davis Cup Finals in November.
Tennis governing bodies join forces to answer players' cry for financial help in pandemic affected season
The tennis season was halted in early March due to the pandemic, leaving players in the lower tiers who depend solely on tournament winnings without the chance to earn a living.
Coronavirus Outbreak: ITF advises tennis players to seek government aid wherever possible amidst COVID-19 shutdown
The London-based ITF has had to postpone 900 tournaments across all its circuits because of the virus and has put half its staff on furlough
Coronavirus Outbreak: International Tennis Federation puts about half its staff on furlough, cutting salaries
The move includes a 30 percent pay drop in 2020 for International Tennis Federation President David Haggerty and reductions of 10 or 20 percent for others.
The French Tennis Federation, in an announcement that came out of the blue on Tuesday, said they were moving the tournament to 20 September - 4 October from its May start because of the coronavirus outbreak