FIFA has accused former official Miguel Maduro of making "factually incorrect" allegations about their attempts to interfere with his work.
Maduro, who was chairman of the organisation's governance committee until April, claimed that senior FIFA executives tried to influence decisions he made during his 11 months in office.
Foremost among the allegations made to the UK government's Digital, Culture, Media and Sport committee was that president Gianni Infantino tried to intervene in his decision to block Vitaly Mutko from standing for a place on the FIFA Council.
Maduro accused Infantino and secretary general Fatma Samoura of warning him that the 2018 World Cup could be at risk if Russia's deputy prime minister was barred from running for office.
Mutko was successfully blocked in March as becoming part of the council was deemed to be in conflict with FIFA's regulations on the non-interference of government officials.
Maduro alleged Infantino expressed "great concern" about the decision on Mutko and said of FIFA: "There is a culture in the institution itself that is extremely resistant to accountability."
In response, FIFA has denied ever attempting to influence committee members and says it considers its responsibility to introduce reform to be greater than ever.
"FIFA has noted the comments, interpretations and opinions made by Mr Miguel Maduro at the Digital, Culture, Media and Sport Committee of the House of Commons," it began in a statement.
"In this respect, FIFA has never put the competencies of previous committee members into question and has always respected their decisions.
"For Miguel Maduro to be in regular contact with the FIFA administration, sometimes under his own initiative and in order to seek advice, was normal in the course of his work. Exchange between the administration and FIFA's committees, which in the end all defend FIFA's interests, are logical and even desirable, so for these exchanges to be portrayed as undue influence is factually incorrect.
"Today, the people in charge of FIFA's different committees bear even more of a responsibility to bring about reform than those who preceded them. The independence of FIFA's committees and the success of FIFA's reform process will only be measured by the decisions taken in the future and not by personal opinions."
|Memorable Ashes Moments: Harmison sends down woeful opening wide as England´s defence wilts|
|Conte´s wife tells him to grow a beard – Conte grows a beard|
|Simeone rules out Everton job, promising ´a couple of years at least´ at Atletico|
|Pique to miss Barcelona´s Leganes trip over personal matter|
|Serena Williams reportedly marries Alexis Ohanian in New Orleans|
|UEFA closes Roma ´monkey chanting´ case|
|Swinson set to miss Six Nations after finger surgery|
|Don´t worry about Messi renewal, Valverde tells Barcelona fans|
|Cheika disrespected referee - Jones|
|´Griezmann? We´ll see´ – Valverde won´t rule out Barcelona pursuit of Atletico star|
|Cardinals & Larry Fitzgerald agree to 2018 contract extension|
|Uncapped Enever replaces injured Coleman for Twickenham clash|
|Goffin overcomes slow start & Thiem to set up Federer semi|
|Unsworth surprised to see Allardyce snub Everton|
|Six-week stadium ban for Sale boss Diamond|
|Mourinho has ´immense respect´ for Benitez|
|Howe backs Defoe to make World Cup squad|
|Everton speculation out of my control - Silva focusing on Hornets|
|Conte concerned by Manchester City´s breakaway lead|
|Man City results ´perfect´, but Guardiola demands improvement|
|David Luiz back in Chelsea squad, Conte confirms|
|Recovered Klopp offers Liverpool fitness update|
|Guardiola confident Aguero in ´perfect´ condition despite hospital trip|
|Ibrahimovic, Pogba and Rojo back for Manchester United|
|Fleetwood and Rose look set for desert duel, Fitzpatrick leads in Dubai|
|Heynckes compiling list of potential successors|
|Modric & Carvajal fit for Madrid derby|
|Bayern begin talks over Wagner deal|
|Pulis angered as Chadli sidelined for ´foreseeable future´|
|Neymar to join Ronaldo at Real Madrid? Zidane speaks out on PSG star|
|Edinburgh banking on Barclay after signing Scotland captain|
|Guardiola & Sane complete Man City award double|
|Five-try Holmes makes history as Kangaroos batter Samoa|
|Brave Chapecoense secure top-flight status|
|Mooney seals Australia Women´s Ashes victory|
|Tottenham have overtaken Arsenal as north London´s best - Sherwood|
|Brisbane Roar 3 Melbourne City 1: Papadopoulos at the double as hosts finally win|
|Seaman: Wenger must start Lacazette against Tottenham|
|I am more than just a goal machine - Ronaldo ignores Real Madrid criticism|
|Pujara shows resistance on another rain-affected day|
|Skriniar not interested in Barcelona speculation|
|France need Benzema, says Aulas|
|Warne: Australia look confused ahead of Ashes|
|Donald recovering after being hospitalised with chest pains|
|Youngs braced for ´confrontational and confident´ Wallabies|
|The Breakdown: A statistical look at Saturday´s rugby internationals|
|Van Dijk could leave Southampton in January|
|Sanchez snubbed Barcelona switch - Osorio|
|Malan posts century as England impress in Townsville|
|Atletico Madrid v Real Madrid: Simeone and Zidane face dangerous, defining Derbi|
|Aubameyang baffled by Dortmund suspension|
|Harden scores 48 points as Rockets soar|
|George, Hauritz and Tendulkar – Ashes surprise Paine´s last Test|
|He´s a class player - Hussey approves of Marsh recall for Ashes|
|Brown stars as Steelers crush Titans|
|Smith backs ´terrific´ Paine ahead of Ashes|
|Celtics claim 14th straight victory with comeback win over Warriors|
|WATCH: Brown makes incredible helmet catch for Steelers|
|´Surprised´ Paine thought Test career was over|
|Steelers QB Roethlisberger reaches new career milestones|
|Pochettino lauds Wenger longevity as he eyes 20 years at Spurs|
|Ronaldo: Real Madrid don´t fear PSG|
|Australia´s Paine pick an amazing Ashes gamble|
|Bancroft demanded Ashes spot, others were mediocre – Hohns|
|Zenit´s Mancini not thinking about Italy job|
|Altuve, Stanton named MVPs|
|Wenger advises Pochettino to fight the ´fear´ of winning trophies|
|Kirk leads RSM Classic after fine 63|
|Red Wings defenseman Witkowski handed 10-game ban after brawl|
|Broad backs Root to reach ´another level´ during Ashes|