Thetransport secretary found there were "significant technical flaws" inthe bidding process because of mistakes by Department for Transport staff and three civil servants were suspended.
An independent report, published on Thursday said there were "serious problems" and "unacceptable flaws" inthe Department for Transport's tendering process.
He also called for Daniel Farr, who set up the online petition asking the Department for Transport to "force" First to reduce its charges, to be included intheprocess.
Scotland's Deputy Minister for Enterprise and Transport, Lewis Macdonald, said the four-week consultation process was an "important milestone" inthe tendering process.