The former cyclist had until February 6 to meet with USADA to tell what he knew about doping in cycling.

- We have been in communication with Mr. Armstrong and his representatives and we understand that he does want to be part of the solution and assist in the effort to clean up the sport of cycling. We have agreed to his request for an additional two weeks to work on details to hopefully allow for this to happen, CEO at USADA, Travis T. Tygart, writes in a statement.