Judgment of the Court (Fourth Chamber) of 17 October 2024.#NFŠ a.s. v Slovenská republika konajúca prostredníctvom Ministerstva školstva, vedy, výskumu a športu Slovenskej republiky and Ministerstvo školstva, vedy, výskumu a športu Slovenskej republiky.#References for a preliminary ruling – Public procurement of works, supplies and services – Directive 2004/18/EC – Concept of ‘public works contracts’ – Collection of agreements comprising a grant agreement and an undertaking to purchase – Direct economic interest for the contracting authority – Work corresponding to the requirements specified by the contracting authority – Grant and undertaking to purchase constituting State aid compatible with the internal market – Directive 89/665/EEC – Directive 2014/24/EU – Consequences of a finding that a public contract is ineffective – Absolute nullity ex tunc.#Case C-28/23.