The letter, apparently written by Havelange, talks about the payments he received from ISL.
In Brazil, a lot of young footballers ask me about the ISL.
Our goal since our launch was to make hardware, fleet and industrial supply procurement faster, cheaper and easier, to enable our customers to meet their unique business goals or mission success," said Chris Faison, CEO and co-founder of ISL.
Richard Scudamore, Chief Executive of the EPL, said in a media release: "Having signed a mutual co-operation agreement with the Asian Football Confederation (AFC) earlier this year, we are very pleased to also enter into this partnership with the ISL.
It also said that former South America Football Confederation president and Fifa executive committee member Nicolas Leoz, who quit his posts last week, had taken "bribes" from ISL.
He resigned his 48-year International Olympic Commitee membership, citing health reasons, in December, days before the Olympic body was due to sanction him following its own investigation into wrongdoing connected to ISL.
The three Swiss judges issuing the payment demand were overseeing a fraud trial into the collapse of FIFA's former marketing partner, ISL.
They didn't disgrace themselves, and I think the gap between their league and ours is bigger than the gap between the top teams in the FBNL and the ISL.
The review offers three primary adjustments to provide further oversight of ISL.
However, the auction will be for national team players who were not part of the inaugural ISL.
CART has concluded that it has no choice but to pursue legal action against ISL.
We installed POSH back-end this year, which will drive the ATMs we've introduced to the Caribbean market," said Helen Llanos, assistant general manager of ISL.