Judgment of the General Court (Fifth Chamber) of 1 December 2021.#Sopra Steria Benelux and Unisys Belgium v European Commission.#Public service contracts – Tendering procedure – Specification, Development, Maintenance and Support of DG Taxation and Customs Union (TAXUD) IT Platforms – Rejection of the tender submitted by a tenderer and decision to award the contract to another tenderer – Obligation to state reasons – Abnormally low tender.#Case T-546/20.