On August 21, 2020, the MRTA changed the bid criteria. On September 17, the BTSC filed a lawsuit with the Administrative Court, alleging that the change in bidding criteria was unlawful. On February 3, 2021, the MRTA cancelled the first bid, prompting the BTSC to file another lawsuit with the Administrative Court against the decision. On February 9, the Central Administrative Court ruled that the changing of bid criteria was unlawful. On July 7, the Administrative Court ruled that the cancellation of the first bid was also unlawful.
